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Finding the Fourth Proportional to 110,372.11, 165,582.84 and 40,251.42

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Solution

The fourth proportional to 110,372.11, 165,582.84 and 40,251.42 is: 60,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,372.11 : 165,582.84 = 40,251.42 : x
  2. Step 2: Convert to fraction form
    110,372.11/165,582.84 = 40,251.42/x
  3. Step 3: Cross multiply
    110,372.11x = 165,582.84 × 40,251.42
  4. Step 4: Simplify right side
    110,372.11x = 6,664,944,180.34
  5. Step 5: Solve for x
    x = 6,664,944,180.34/110,372.11
  6. Step 6: Final answer
    x = 60,386.13

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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.