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Finding the Fourth Proportional to 261,250.20, 392,049.84 and 95,038.20

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Solution

The fourth proportional to 261,250.20, 392,049.84 and 95,038.20 is: 142,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,250.20 : 392,049.84 = 95,038.20 : x
  2. Step 2: Convert to fraction form
    261,250.20/392,049.84 = 95,038.20/x
  3. Step 3: Cross multiply
    261,250.20x = 392,049.84 × 95,038.20
  4. Step 4: Simplify right side
    261,250.20x = 37,259,711,103.89
  5. Step 5: Solve for x
    x = 37,259,711,103.89/261,250.20
  6. Step 6: Final answer
    x = 142,620.79

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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.