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Finding the Fourth Proportional to 169,149.59, 253,724.08 and 74,357.11

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Solution

The fourth proportional to 169,149.59, 253,724.08 and 74,357.11 is: 111,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,149.59 : 253,724.08 = 74,357.11 : x
  2. Step 2: Convert to fraction form
    169,149.59/253,724.08 = 74,357.11/x
  3. Step 3: Cross multiply
    169,149.59x = 253,724.08 × 74,357.11
  4. Step 4: Simplify right side
    169,149.59x = 18,866,189,326.21
  5. Step 5: Solve for x
    x = 18,866,189,326.21/169,149.59
  6. Step 6: Final answer
    x = 111,535.53

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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.