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Finding the Fourth Proportional to 72,655.73, 108,924.78 and 22,710.11

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Solution

The fourth proportional to 72,655.73, 108,924.78 and 22,710.11 is: 34,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,655.73 : 108,924.78 = 22,710.11 : x
  2. Step 2: Convert to fraction form
    72,655.73/108,924.78 = 22,710.11/x
  3. Step 3: Cross multiply
    72,655.73x = 108,924.78 × 22,710.11
  4. Step 4: Simplify right side
    72,655.73x = 2,473,694,007.84
  5. Step 5: Solve for x
    x = 2,473,694,007.84/72,655.73
  6. Step 6: Final answer
    x = 34,046.79

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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.