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Finding the Fourth Proportional to 167,781.80, 231,572.04 and 96,210.20

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Solution

The fourth proportional to 167,781.80, 231,572.04 and 96,210.20 is: 132,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,781.80 : 231,572.04 = 96,210.20 : x
  2. Step 2: Convert to fraction form
    167,781.80/231,572.04 = 96,210.20/x
  3. Step 3: Cross multiply
    167,781.80x = 231,572.04 × 96,210.20
  4. Step 4: Simplify right side
    167,781.80x = 22,279,592,282.81
  5. Step 5: Solve for x
    x = 22,279,592,282.81/167,781.80
  6. Step 6: Final answer
    x = 132,789.09

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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.