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Finding the Fourth Proportional to 73,272.60, 109,909.71 and 23,352.30

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Solution

The fourth proportional to 73,272.60, 109,909.71 and 23,352.30 is: 35,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,272.60 : 109,909.71 = 23,352.30 : x
  2. Step 2: Convert to fraction form
    73,272.60/109,909.71 = 23,352.30/x
  3. Step 3: Cross multiply
    73,272.60x = 109,909.71 × 23,352.30
  4. Step 4: Simplify right side
    73,272.60x = 2,566,644,520.83
  5. Step 5: Solve for x
    x = 2,566,644,520.83/73,272.60
  6. Step 6: Final answer
    x = 35,028.71

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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.