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Finding the Fourth Proportional to 224,147.52, 336,221.52 and 129,521.76

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Solution

The fourth proportional to 224,147.52, 336,221.52 and 129,521.76 is: 194,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,147.52 : 336,221.52 = 129,521.76 : x
  2. Step 2: Convert to fraction form
    224,147.52/336,221.52 = 129,521.76/x
  3. Step 3: Cross multiply
    224,147.52x = 336,221.52 × 129,521.76
  4. Step 4: Simplify right side
    224,147.52x = 43,548,003,020.28
  5. Step 5: Solve for x
    x = 43,548,003,020.28/224,147.52
  6. Step 6: Final answer
    x = 194,282.78

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1.5x scale

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.