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Finding the Fourth Proportional to 159,617.26, 239,425.89 and 54,437.14

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Solution

The fourth proportional to 159,617.26, 239,425.89 and 54,437.14 is: 81,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,617.26 : 239,425.89 = 54,437.14 : x
  2. Step 2: Convert to fraction form
    159,617.26/239,425.89 = 54,437.14/x
  3. Step 3: Cross multiply
    159,617.26x = 239,425.89 × 54,437.14
  4. Step 4: Simplify right side
    159,617.26x = 13,033,660,693.55
  5. Step 5: Solve for x
    x = 13,033,660,693.55/159,617.26
  6. Step 6: Final answer
    x = 81,655.71

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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.