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Finding the Fourth Proportional to 73,908.32, 110,879.92 and 23,988.29

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Solution

The fourth proportional to 73,908.32, 110,879.92 and 23,988.29 is: 35,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,908.32 : 110,879.92 = 23,988.29 : x
  2. Step 2: Convert to fraction form
    73,908.32/110,879.92 = 23,988.29/x
  3. Step 3: Cross multiply
    73,908.32x = 110,879.92 × 23,988.29
  4. Step 4: Simplify right side
    73,908.32x = 2,659,819,151.72
  5. Step 5: Solve for x
    x = 2,659,819,151.72/73,908.32
  6. Step 6: Final answer
    x = 35,988.09

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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.