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Finding the Fourth Proportional to 172,881.73, 238,473.97 and 134,580.65

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Solution

The fourth proportional to 172,881.73, 238,473.97 and 134,580.65 is: 185,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,881.73 : 238,473.97 = 134,580.65 : x
  2. Step 2: Convert to fraction form
    172,881.73/238,473.97 = 134,580.65/x
  3. Step 3: Cross multiply
    172,881.73x = 238,473.97 × 134,580.65
  4. Step 4: Simplify right side
    172,881.73x = 32,093,981,217.78
  5. Step 5: Solve for x
    x = 32,093,981,217.78/172,881.73
  6. Step 6: Final answer
    x = 185,641.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.