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Finding the Fourth Proportional to 64,743,062.60, 97,114,593.90 and 61,757,078.60

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Solution

The fourth proportional to 64,743,062.60, 97,114,593.90 and 61,757,078.60 is: 92,635,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,743,062.60 : 97,114,593.90 = 61,757,078.60 : x
  2. Step 2: Convert to fraction form
    64,743,062.60/97,114,593.90 = 61,757,078.60/x
  3. Step 3: Cross multiply
    64,743,062.60x = 97,114,593.90 × 61,757,078.60
  4. Step 4: Simplify right side
    64,743,062.60x = 5,997,513,608,689,381
  5. Step 5: Solve for x
    x = 5,997,513,608,689,381/64,743,062.60
  6. Step 6: Final answer
    x = 92,635,617.90

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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.