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Finding the Fourth Proportional to 238,079.25, 357,118.88 and 71,867.25

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Solution

The fourth proportional to 238,079.25, 357,118.88 and 71,867.25 is: 107,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,079.25 : 357,118.88 = 71,867.25 : x
  2. Step 2: Convert to fraction form
    238,079.25/357,118.88 = 71,867.25/x
  3. Step 3: Cross multiply
    238,079.25x = 357,118.88 × 71,867.25
  4. Step 4: Simplify right side
    238,079.25x = 25,665,151,469.34
  5. Step 5: Solve for x
    x = 25,665,151,469.34/238,079.25
  6. Step 6: Final answer
    x = 107,800.88

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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.