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Finding the Fourth Proportional to 169,246.96, 253,869.84 and 75,687.04

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Solution

The fourth proportional to 169,246.96, 253,869.84 and 75,687.04 is: 113,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,246.96 : 253,869.84 = 75,687.04 : x
  2. Step 2: Convert to fraction form
    169,246.96/253,869.84 = 75,687.04/x
  3. Step 3: Cross multiply
    169,246.96x = 253,869.84 × 75,687.04
  4. Step 4: Simplify right side
    169,246.96x = 19,214,656,734.87
  5. Step 5: Solve for x
    x = 19,214,656,734.87/169,246.96
  6. Step 6: Final answer
    x = 113,530.29

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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.