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Finding the Fourth Proportional to 79,872.62, 119,808.93 and 24,461.42

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Solution

The fourth proportional to 79,872.62, 119,808.93 and 24,461.42 is: 36,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,872.62 : 119,808.93 = 24,461.42 : x
  2. Step 2: Convert to fraction form
    79,872.62/119,808.93 = 24,461.42/x
  3. Step 3: Cross multiply
    79,872.62x = 119,808.93 × 24,461.42
  4. Step 4: Simplify right side
    79,872.62x = 2,930,696,556.48
  5. Step 5: Solve for x
    x = 2,930,696,556.48/79,872.62
  6. Step 6: Final answer
    x = 36,692.13

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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.