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Finding the Fourth Proportional to 250,227.44, 345,306.44 and 137,047.76

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Solution

The fourth proportional to 250,227.44, 345,306.44 and 137,047.76 is: 189,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,227.44 : 345,306.44 = 137,047.76 : x
  2. Step 2: Convert to fraction form
    250,227.44/345,306.44 = 137,047.76/x
  3. Step 3: Cross multiply
    250,227.44x = 345,306.44 × 137,047.76
  4. Step 4: Simplify right side
    250,227.44x = 47,323,474,115.57
  5. Step 5: Solve for x
    x = 47,323,474,115.57/250,227.44
  6. Step 6: Final answer
    x = 189,121.84

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1.5x scale

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.