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Finding the Fourth Proportional to 146,732.40, 202,591.80 and 108,500.40

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Solution

The fourth proportional to 146,732.40, 202,591.80 and 108,500.40 is: 149,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,732.40 : 202,591.80 = 108,500.40 : x
  2. Step 2: Convert to fraction form
    146,732.40/202,591.80 = 108,500.40/x
  3. Step 3: Cross multiply
    146,732.40x = 202,591.80 × 108,500.40
  4. Step 4: Simplify right side
    146,732.40x = 21,981,291,336.72
  5. Step 5: Solve for x
    x = 21,981,291,336.72/146,732.40
  6. Step 6: Final answer
    x = 149,805.30

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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.