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Finding the Fourth Proportional to 79,692.32, 119,554.25 and 22,766.72

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Solution

The fourth proportional to 79,692.32, 119,554.25 and 22,766.72 is: 34,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,692.32 : 119,554.25 = 22,766.72 : x
  2. Step 2: Convert to fraction form
    79,692.32/119,554.25 = 22,766.72/x
  3. Step 3: Cross multiply
    79,692.32x = 119,554.25 × 22,766.72
  4. Step 4: Simplify right side
    79,692.32x = 2,721,857,593.71
  5. Step 5: Solve for x
    x = 2,721,857,593.71/79,692.32
  6. Step 6: Final answer
    x = 34,154.58

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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.