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Finding the Fourth Proportional to 110,542.52, 165,813.78 and 27,436.52

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Solution

The fourth proportional to 110,542.52, 165,813.78 and 27,436.52 is: 41,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,542.52 : 165,813.78 = 27,436.52 : x
  2. Step 2: Convert to fraction form
    110,542.52/165,813.78 = 27,436.52/x
  3. Step 3: Cross multiply
    110,542.52x = 165,813.78 × 27,436.52
  4. Step 4: Simplify right side
    110,542.52x = 4,549,353,608.67
  5. Step 5: Solve for x
    x = 4,549,353,608.67/110,542.52
  6. Step 6: Final answer
    x = 41,154.78

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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.