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Finding the Fourth Proportional to 169,174.38, 233,348.61 and 108,821.70

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Solution

The fourth proportional to 169,174.38, 233,348.61 and 108,821.70 is: 150,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,174.38 : 233,348.61 = 108,821.70 : x
  2. Step 2: Convert to fraction form
    169,174.38/233,348.61 = 108,821.70/x
  3. Step 3: Cross multiply
    169,174.38x = 233,348.61 × 108,821.70
  4. Step 4: Simplify right side
    169,174.38x = 25,393,392,432.84
  5. Step 5: Solve for x
    x = 25,393,392,432.84/169,174.38
  6. Step 6: Final answer
    x = 150,101.88

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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.