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Finding the Fourth Proportional to 110,374.10, 165,585.84 and 40,253.42

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Solution

The fourth proportional to 110,374.10, 165,585.84 and 40,253.42 is: 60,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,374.10 : 165,585.84 = 40,253.42 : x
  2. Step 2: Convert to fraction form
    110,374.10/165,585.84 = 40,253.42/x
  3. Step 3: Cross multiply
    110,374.10x = 165,585.84 × 40,253.42
  4. Step 4: Simplify right side
    110,374.10x = 6,665,396,363.57
  5. Step 5: Solve for x
    x = 6,665,396,363.57/110,374.10
  6. Step 6: Final answer
    x = 60,389.13

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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.