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Finding the Fourth Proportional to 73,259,996.80, 109,889,995.20 and 34,996,244.80

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Solution

The fourth proportional to 73,259,996.80, 109,889,995.20 and 34,996,244.80 is: 52,494,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,259,996.80 : 109,889,995.20 = 34,996,244.80 : x
  2. Step 2: Convert to fraction form
    73,259,996.80/109,889,995.20 = 34,996,244.80/x
  3. Step 3: Cross multiply
    73,259,996.80x = 109,889,995.20 × 34,996,244.80
  4. Step 4: Simplify right side
    73,259,996.80x = 3,845,737,173,090,024.50
  5. Step 5: Solve for x
    x = 3,845,737,173,090,024.50/73,259,996.80
  6. Step 6: Final answer
    x = 52,494,367.20

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.