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Finding the Fourth Proportional to 63,859,892.60, 95,780,507.70 and 18,416,948.60

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Solution

The fourth proportional to 63,859,892.60, 95,780,507.70 and 18,416,948.60 is: 27,622,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,859,892.60 : 95,780,507.70 = 18,416,948.60 : x
  2. Step 2: Convert to fraction form
    63,859,892.60/95,780,507.70 = 18,416,948.60/x
  3. Step 3: Cross multiply
    63,859,892.60x = 95,780,507.70 × 18,416,948.60
  4. Step 4: Simplify right side
    63,859,892.60x = 1,763,984,687,192,804.50
  5. Step 5: Solve for x
    x = 1,763,984,687,192,804.50/63,859,892.60
  6. Step 6: Final answer
    x = 27,622,731.82

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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.