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Finding the Fourth Proportional to 159,244.92, 219,732.90 and 91,248.80

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Solution

The fourth proportional to 159,244.92, 219,732.90 and 91,248.80 is: 125,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,244.92 : 219,732.90 = 91,248.80 : x
  2. Step 2: Convert to fraction form
    159,244.92/219,732.90 = 91,248.80/x
  3. Step 3: Cross multiply
    159,244.92x = 219,732.90 × 91,248.80
  4. Step 4: Simplify right side
    159,244.92x = 20,050,363,445.52
  5. Step 5: Solve for x
    x = 20,050,363,445.52/159,244.92
  6. Step 6: Final answer
    x = 125,908.97

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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.