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Finding the Fourth Proportional to 156,136.59, 215,472.45 and 95,740.52

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Solution

The fourth proportional to 156,136.59, 215,472.45 and 95,740.52 is: 132,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,136.59 : 215,472.45 = 95,740.52 : x
  2. Step 2: Convert to fraction form
    156,136.59/215,472.45 = 95,740.52/x
  3. Step 3: Cross multiply
    156,136.59x = 215,472.45 × 95,740.52
  4. Step 4: Simplify right side
    156,136.59x = 20,629,443,331.31
  5. Step 5: Solve for x
    x = 20,629,443,331.31/156,136.59
  6. Step 6: Final answer
    x = 132,124.34

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1.5x scale

Why These Related Problems?

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