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Finding the Fourth Proportional to 71,973.48, 107,956.33 and 22,053.73

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Solution

The fourth proportional to 71,973.48, 107,956.33 and 22,053.73 is: 33,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,973.48 : 107,956.33 = 22,053.73 : x
  2. Step 2: Convert to fraction form
    71,973.48/107,956.33 = 22,053.73/x
  3. Step 3: Cross multiply
    71,973.48x = 107,956.33 × 22,053.73
  4. Step 4: Simplify right side
    71,973.48x = 2,380,839,251.47
  5. Step 5: Solve for x
    x = 2,380,839,251.47/71,973.48
  6. Step 6: Final answer
    x = 33,079.40

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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.