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Finding the Fourth Proportional to 71,059.47, 98,059.48 and 39,227.69

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Solution

The fourth proportional to 71,059.47, 98,059.48 and 39,227.69 is: 54,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,059.47 : 98,059.48 = 39,227.69 : x
  2. Step 2: Convert to fraction form
    71,059.47/98,059.48 = 39,227.69/x
  3. Step 3: Cross multiply
    71,059.47x = 98,059.48 × 39,227.69
  4. Step 4: Simplify right side
    71,059.47x = 3,846,646,294.63
  5. Step 5: Solve for x
    x = 3,846,646,294.63/71,059.47
  6. Step 6: Final answer
    x = 54,132.77

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