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Finding the Fourth Proportional to 137,804,593.60, 206,706,890.40 and 96,989,924.80

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Solution

The fourth proportional to 137,804,593.60, 206,706,890.40 and 96,989,924.80 is: 145,484,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,804,593.60 : 206,706,890.40 = 96,989,924.80 : x
  2. Step 2: Convert to fraction form
    137,804,593.60/206,706,890.40 = 96,989,924.80/x
  3. Step 3: Cross multiply
    137,804,593.60x = 206,706,890.40 × 96,989,924.80
  4. Step 4: Simplify right side
    137,804,593.60x = 20,048,485,755,537,840
  5. Step 5: Solve for x
    x = 20,048,485,755,537,840/137,804,593.60
  6. Step 6: Final answer
    x = 145,484,887.20

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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.