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Finding the Fourth Proportional to 156,572.80, 234,871.86 and 44,253.92

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Solution

The fourth proportional to 156,572.80, 234,871.86 and 44,253.92 is: 66,384.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,572.80 : 234,871.86 = 44,253.92 : x
  2. Step 2: Convert to fraction form
    156,572.80/234,871.86 = 44,253.92/x
  3. Step 3: Cross multiply
    156,572.80x = 234,871.86 × 44,253.92
  4. Step 4: Simplify right side
    156,572.80x = 10,394,000,502.69
  5. Step 5: Solve for x
    x = 10,394,000,502.69/156,572.80
  6. Step 6: Final answer
    x = 66,384.46

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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.