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Finding the Fourth Proportional to 568,549.10, 852,820.17 and 142,082.73

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Solution

The fourth proportional to 568,549.10, 852,820.17 and 142,082.73 is: 213,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,549.10 : 852,820.17 = 142,082.73 : x
  2. Step 2: Convert to fraction form
    568,549.10/852,820.17 = 142,082.73/x
  3. Step 3: Cross multiply
    568,549.10x = 852,820.17 × 142,082.73
  4. Step 4: Simplify right side
    568,549.10x = 121,171,017,952.66
  5. Step 5: Solve for x
    x = 121,171,017,952.66/568,549.10
  6. Step 6: Final answer
    x = 213,123.23

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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.