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Finding the Fourth Proportional to 156,855.92, 216,373.56 and 96,384.56

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Solution

The fourth proportional to 156,855.92, 216,373.56 and 96,384.56 is: 132,956.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,855.92 : 216,373.56 = 96,384.56 : x
  2. Step 2: Convert to fraction form
    156,855.92/216,373.56 = 96,384.56/x
  3. Step 3: Cross multiply
    156,855.92x = 216,373.56 × 96,384.56
  4. Step 4: Simplify right side
    156,855.92x = 20,855,070,376.23
  5. Step 5: Solve for x
    x = 20,855,070,376.23/156,855.92
  6. Step 6: Final answer
    x = 132,956.86

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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.