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Finding the Fourth Proportional to 240,520.20, 360,468.02 and 98,198.88

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Solution

The fourth proportional to 240,520.20, 360,468.02 and 98,198.88 is: 147,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,520.20 : 360,468.02 = 98,198.88 : x
  2. Step 2: Convert to fraction form
    240,520.20/360,468.02 = 98,198.88/x
  3. Step 3: Cross multiply
    240,520.20x = 360,468.02 × 98,198.88
  4. Step 4: Simplify right side
    240,520.20x = 35,397,555,839.82
  5. Step 5: Solve for x
    x = 35,397,555,839.82/240,520.20
  6. Step 6: Final answer
    x = 147,170.82

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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.