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Finding the Fourth Proportional to 156,793.62, 216,377.53 and 88,808.91

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Solution

The fourth proportional to 156,793.62, 216,377.53 and 88,808.91 is: 122,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,793.62 : 216,377.53 = 88,808.91 : x
  2. Step 2: Convert to fraction form
    156,793.62/216,377.53 = 88,808.91/x
  3. Step 3: Cross multiply
    156,793.62x = 216,377.53 × 88,808.91
  4. Step 4: Simplify right side
    156,793.62x = 19,216,251,554.35
  5. Step 5: Solve for x
    x = 19,216,251,554.35/156,793.62
  6. Step 6: Final answer
    x = 122,557.61

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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.