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Finding the Fourth Proportional to 187,587.96, 258,696.50 and 173,654.92

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Solution

The fourth proportional to 187,587.96, 258,696.50 and 173,654.92 is: 239,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,587.96 : 258,696.50 = 173,654.92 : x
  2. Step 2: Convert to fraction form
    187,587.96/258,696.50 = 173,654.92/x
  3. Step 3: Cross multiply
    187,587.96x = 258,696.50 × 173,654.92
  4. Step 4: Simplify right side
    187,587.96x = 44,923,918,496.76
  5. Step 5: Solve for x
    x = 44,923,918,496.76/187,587.96
  6. Step 6: Final answer
    x = 239,481.89

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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.