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Finding the Fourth Proportional to 110,543.52, 165,815.28 and 27,437.52

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Solution

The fourth proportional to 110,543.52, 165,815.28 and 27,437.52 is: 41,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,543.52 : 165,815.28 = 27,437.52 : x
  2. Step 2: Convert to fraction form
    110,543.52/165,815.28 = 27,437.52/x
  3. Step 3: Cross multiply
    110,543.52x = 165,815.28 × 27,437.52
  4. Step 4: Simplify right side
    110,543.52x = 4,549,560,061.31
  5. Step 5: Solve for x
    x = 4,549,560,061.31/110,543.52
  6. Step 6: Final answer
    x = 41,156.28

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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.