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Finding the Fourth Proportional to 238,589.20, 357,882.90 and 61,095.97

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Solution

The fourth proportional to 238,589.20, 357,882.90 and 61,095.97 is: 91,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,589.20 : 357,882.90 = 61,095.97 : x
  2. Step 2: Convert to fraction form
    238,589.20/357,882.90 = 61,095.97/x
  3. Step 3: Cross multiply
    238,589.20x = 357,882.90 × 61,095.97
  4. Step 4: Simplify right side
    238,589.20x = 21,865,202,921.91
  5. Step 5: Solve for x
    x = 21,865,202,921.91/238,589.20
  6. Step 6: Final answer
    x = 91,643.72

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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.