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Finding the Fourth Proportional to 187,502.93, 281,343.92 and 87,648.62

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Solution

The fourth proportional to 187,502.93, 281,343.92 and 87,648.62 is: 131,514.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,502.93 : 281,343.92 = 87,648.62 : x
  2. Step 2: Convert to fraction form
    187,502.93/281,343.92 = 87,648.62/x
  3. Step 3: Cross multiply
    187,502.93x = 281,343.92 × 87,648.62
  4. Step 4: Simplify right side
    187,502.93x = 24,659,404,488.43
  5. Step 5: Solve for x
    x = 24,659,404,488.43/187,502.93
  6. Step 6: Final answer
    x = 131,514.77

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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.