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Finding the Fourth Proportional to 238,158.72, 357,060.42 and 103,079.88

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Solution

The fourth proportional to 238,158.72, 357,060.42 and 103,079.88 is: 154,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,158.72 : 357,060.42 = 103,079.88 : x
  2. Step 2: Convert to fraction form
    238,158.72/357,060.42 = 103,079.88/x
  3. Step 3: Cross multiply
    238,158.72x = 357,060.42 × 103,079.88
  4. Step 4: Simplify right side
    238,158.72x = 36,805,745,246.35
  5. Step 5: Solve for x
    x = 36,805,745,246.35/238,158.72
  6. Step 6: Final answer
    x = 154,542.93

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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.