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Finding the Fourth Proportional to 187,670.30, 281,553.45 and 132,374.30

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Solution

The fourth proportional to 187,670.30, 281,553.45 and 132,374.30 is: 198,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,670.30 : 281,553.45 = 132,374.30 : x
  2. Step 2: Convert to fraction form
    187,670.30/281,553.45 = 132,374.30/x
  3. Step 3: Cross multiply
    187,670.30x = 281,553.45 × 132,374.30
  4. Step 4: Simplify right side
    187,670.30x = 37,270,440,856.34
  5. Step 5: Solve for x
    x = 37,270,440,856.34/187,670.30
  6. Step 6: Final answer
    x = 198,595.31

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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.