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Finding the Fourth Proportional to 187,654.59, 281,499.17 and 61,295.54

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Solution

The fourth proportional to 187,654.59, 281,499.17 and 61,295.54 is: 91,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,654.59 : 281,499.17 = 61,295.54 : x
  2. Step 2: Convert to fraction form
    187,654.59/281,499.17 = 61,295.54/x
  3. Step 3: Cross multiply
    187,654.59x = 281,499.17 × 61,295.54
  4. Step 4: Simplify right side
    187,654.59x = 17,254,641,920.73
  5. Step 5: Solve for x
    x = 17,254,641,920.73/187,654.59
  6. Step 6: Final answer
    x = 91,948.95

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1.5x scale

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.