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Finding the Fourth Proportional to 73,909.47, 110,891.75 and 44,348.52

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Solution

The fourth proportional to 73,909.47, 110,891.75 and 44,348.52 is: 66,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,909.47 : 110,891.75 = 44,348.52 : x
  2. Step 2: Convert to fraction form
    73,909.47/110,891.75 = 44,348.52/x
  3. Step 3: Cross multiply
    73,909.47x = 110,891.75 × 44,348.52
  4. Step 4: Simplify right side
    73,909.47x = 4,917,884,992.71
  5. Step 5: Solve for x
    x = 4,917,884,992.71/73,909.47
  6. Step 6: Final answer
    x = 66,539.31

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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.