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Finding the Fourth Proportional to 73,296.16, 109,959.20 and 23,374.88

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Solution

The fourth proportional to 73,296.16, 109,959.20 and 23,374.88 is: 35,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,296.16 : 109,959.20 = 23,374.88 : x
  2. Step 2: Convert to fraction form
    73,296.16/109,959.20 = 23,374.88/x
  3. Step 3: Cross multiply
    73,296.16x = 109,959.20 × 23,374.88
  4. Step 4: Simplify right side
    73,296.16x = 2,570,283,104.90
  5. Step 5: Solve for x
    x = 2,570,283,104.90/73,296.16
  6. Step 6: Final answer
    x = 35,067.09

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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.