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Finding the Fourth Proportional to 134,458.89, 201,641.14 and 39,663.87

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Solution

The fourth proportional to 134,458.89, 201,641.14 and 39,663.87 is: 59,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,458.89 : 201,641.14 = 39,663.87 : x
  2. Step 2: Convert to fraction form
    134,458.89/201,641.14 = 39,663.87/x
  3. Step 3: Cross multiply
    134,458.89x = 201,641.14 × 39,663.87
  4. Step 4: Simplify right side
    134,458.89x = 7,997,867,963.61
  5. Step 5: Solve for x
    x = 7,997,867,963.61/134,458.89
  6. Step 6: Final answer
    x = 59,481.88

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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.