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Finding the Fourth Proportional to 64,179.59, 96,269.65 and 42,132.47

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Solution

The fourth proportional to 64,179.59, 96,269.65 and 42,132.47 is: 63,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,179.59 : 96,269.65 = 42,132.47 : x
  2. Step 2: Convert to fraction form
    64,179.59/96,269.65 = 42,132.47/x
  3. Step 3: Cross multiply
    64,179.59x = 96,269.65 × 42,132.47
  4. Step 4: Simplify right side
    64,179.59x = 4,056,077,553.86
  5. Step 5: Solve for x
    x = 4,056,077,553.86/64,179.59
  6. Step 6: Final answer
    x = 63,198.87

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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.