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Finding the Fourth Proportional to 239,134.82, 358,691.85 and 89,376.41

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Solution

The fourth proportional to 239,134.82, 358,691.85 and 89,376.41 is: 134,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,134.82 : 358,691.85 = 89,376.41 : x
  2. Step 2: Convert to fraction form
    239,134.82/358,691.85 = 89,376.41/x
  3. Step 3: Cross multiply
    239,134.82x = 358,691.85 × 89,376.41
  4. Step 4: Simplify right side
    239,134.82x = 32,058,588,055.80
  5. Step 5: Solve for x
    x = 32,058,588,055.80/239,134.82
  6. Step 6: Final answer
    x = 134,060.73

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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.