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Finding the Fourth Proportional to 260,359.20, 359,251.20 and 147,179.52

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Solution

The fourth proportional to 260,359.20, 359,251.20 and 147,179.52 is: 203,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,359.20 : 359,251.20 = 147,179.52 : x
  2. Step 2: Convert to fraction form
    260,359.20/359,251.20 = 147,179.52/x
  3. Step 3: Cross multiply
    260,359.20x = 359,251.20 × 147,179.52
  4. Step 4: Simplify right side
    260,359.20x = 52,874,419,175.42
  5. Step 5: Solve for x
    x = 52,874,419,175.42/260,359.20
  6. Step 6: Final answer
    x = 203,082.58

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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.