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Finding the Fourth Proportional to 95,057.46, 142,557.39 and 39,640.50

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Solution

The fourth proportional to 95,057.46, 142,557.39 and 39,640.50 is: 59,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,057.46 : 142,557.39 = 39,640.50 : x
  2. Step 2: Convert to fraction form
    95,057.46/142,557.39 = 39,640.50/x
  3. Step 3: Cross multiply
    95,057.46x = 142,557.39 × 39,640.50
  4. Step 4: Simplify right side
    95,057.46x = 5,651,046,218.30
  5. Step 5: Solve for x
    x = 5,651,046,218.30/95,057.46
  6. Step 6: Final answer
    x = 59,448.74

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