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Finding the Fourth Proportional to 177,874.92, 266,873.82 and 67,129.32

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Solution

The fourth proportional to 177,874.92, 266,873.82 and 67,129.32 is: 100,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,874.92 : 266,873.82 = 67,129.32 : x
  2. Step 2: Convert to fraction form
    177,874.92/266,873.82 = 67,129.32/x
  3. Step 3: Cross multiply
    177,874.92x = 266,873.82 × 67,129.32
  4. Step 4: Simplify right side
    177,874.92x = 17,915,058,062.40
  5. Step 5: Solve for x
    x = 17,915,058,062.40/177,874.92
  6. Step 6: Final answer
    x = 100,717.17

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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.