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Finding the Fourth Proportional to 146,805.20, 202,591.17 and 79,737.20

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Solution

The fourth proportional to 146,805.20, 202,591.17 and 79,737.20 is: 110,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,805.20 : 202,591.17 = 79,737.20 : x
  2. Step 2: Convert to fraction form
    146,805.20/202,591.17 = 79,737.20/x
  3. Step 3: Cross multiply
    146,805.20x = 202,591.17 × 79,737.20
  4. Step 4: Simplify right side
    146,805.20x = 16,154,051,627.57
  5. Step 5: Solve for x
    x = 16,154,051,627.57/146,805.20
  6. Step 6: Final answer
    x = 110,037.33

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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.