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Finding the Fourth Proportional to 92,563,711.04, 127,738,958.30 and 52,876,495.42

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Solution

The fourth proportional to 92,563,711.04, 127,738,958.30 and 52,876,495.42 is: 72,970,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,563,711.04 : 127,738,958.30 = 52,876,495.42 : x
  2. Step 2: Convert to fraction form
    92,563,711.04/127,738,958.30 = 52,876,495.42/x
  3. Step 3: Cross multiply
    92,563,711.04x = 127,738,958.30 × 52,876,495.42
  4. Step 4: Simplify right side
    92,563,711.04x = 6,754,388,443,505,521
  5. Step 5: Solve for x
    x = 6,754,388,443,505,521/92,563,711.04
  6. Step 6: Final answer
    x = 72,970,156.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.