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Finding the Fourth Proportional to 73,701.27, 110,532.78 and 21,098.48

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Solution

The fourth proportional to 73,701.27, 110,532.78 and 21,098.48 is: 31,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,701.27 : 110,532.78 = 21,098.48 : x
  2. Step 2: Convert to fraction form
    73,701.27/110,532.78 = 21,098.48/x
  3. Step 3: Cross multiply
    73,701.27x = 110,532.78 × 21,098.48
  4. Step 4: Simplify right side
    73,701.27x = 2,332,073,095.51
  5. Step 5: Solve for x
    x = 2,332,073,095.51/73,701.27
  6. Step 6: Final answer
    x = 31,642.24

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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.