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Finding the Fourth Proportional to 187,793.26, 281,702.90 and 75,473.57

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Solution

The fourth proportional to 187,793.26, 281,702.90 and 75,473.57 is: 113,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,793.26 : 281,702.90 = 75,473.57 : x
  2. Step 2: Convert to fraction form
    187,793.26/281,702.90 = 75,473.57/x
  3. Step 3: Cross multiply
    187,793.26x = 281,702.90 × 75,473.57
  4. Step 4: Simplify right side
    187,793.26x = 21,261,123,542.35
  5. Step 5: Solve for x
    x = 21,261,123,542.35/187,793.26
  6. Step 6: Final answer
    x = 113,215.58

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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.