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Finding the Fourth Proportional to 71,780.04, 107,668.98 and 22,532.04

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Solution

The fourth proportional to 71,780.04, 107,668.98 and 22,532.04 is: 33,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,780.04 : 107,668.98 = 22,532.04 : x
  2. Step 2: Convert to fraction form
    71,780.04/107,668.98 = 22,532.04/x
  3. Step 3: Cross multiply
    71,780.04x = 107,668.98 × 22,532.04
  4. Step 4: Simplify right side
    71,780.04x = 2,426,001,764.12
  5. Step 5: Solve for x
    x = 2,426,001,764.12/71,780.04
  6. Step 6: Final answer
    x = 33,797.72

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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.