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Finding the Fourth Proportional to 160,104.20, 239,810.70 and 132,456.20

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Solution

The fourth proportional to 160,104.20, 239,810.70 and 132,456.20 is: 198,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,104.20 : 239,810.70 = 132,456.20 : x
  2. Step 2: Convert to fraction form
    160,104.20/239,810.70 = 132,456.20/x
  3. Step 3: Cross multiply
    160,104.20x = 239,810.70 × 132,456.20
  4. Step 4: Simplify right side
    160,104.20x = 31,764,414,041.34
  5. Step 5: Solve for x
    x = 31,764,414,041.34/160,104.20
  6. Step 6: Final answer
    x = 198,398.38

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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.