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Finding the Fourth Proportional to 250,147.98, 375,260.84 and 83,974.86

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Solution

The fourth proportional to 250,147.98, 375,260.84 and 83,974.86 is: 125,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,147.98 : 375,260.84 = 83,974.86 : x
  2. Step 2: Convert to fraction form
    250,147.98/375,260.84 = 83,974.86/x
  3. Step 3: Cross multiply
    250,147.98x = 375,260.84 × 83,974.86
  4. Step 4: Simplify right side
    250,147.98x = 31,512,476,082.61
  5. Step 5: Solve for x
    x = 31,512,476,082.61/250,147.98
  6. Step 6: Final answer
    x = 125,975.34

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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.