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Finding the Fourth Proportional to 169,469.87, 234,177.84 and 123,449.39

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Solution

The fourth proportional to 169,469.87, 234,177.84 and 123,449.39 is: 170,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,469.87 : 234,177.84 = 123,449.39 : x
  2. Step 2: Convert to fraction form
    169,469.87/234,177.84 = 123,449.39/x
  3. Step 3: Cross multiply
    169,469.87x = 234,177.84 × 123,449.39
  4. Step 4: Simplify right side
    169,469.87x = 28,909,111,499.52
  5. Step 5: Solve for x
    x = 28,909,111,499.52/169,469.87
  6. Step 6: Final answer
    x = 170,585.55

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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.