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Finding the Fourth Proportional to 110,354.20, 165,470.82 and 43,726.84

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Solution

The fourth proportional to 110,354.20, 165,470.82 and 43,726.84 is: 65,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,354.20 : 165,470.82 = 43,726.84 : x
  2. Step 2: Convert to fraction form
    110,354.20/165,470.82 = 43,726.84/x
  3. Step 3: Cross multiply
    110,354.20x = 165,470.82 × 43,726.84
  4. Step 4: Simplify right side
    110,354.20x = 7,235,516,070.81
  5. Step 5: Solve for x
    x = 7,235,516,070.81/110,354.20
  6. Step 6: Final answer
    x = 65,566.30

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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.