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Finding the Fourth Proportional to 79,506.65, 119,211.17 and 33,860.72

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Solution

The fourth proportional to 79,506.65, 119,211.17 and 33,860.72 is: 50,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,506.65 : 119,211.17 = 33,860.72 : x
  2. Step 2: Convert to fraction form
    79,506.65/119,211.17 = 33,860.72/x
  3. Step 3: Cross multiply
    79,506.65x = 119,211.17 × 33,860.72
  4. Step 4: Simplify right side
    79,506.65x = 4,036,575,282.88
  5. Step 5: Solve for x
    x = 4,036,575,282.88/79,506.65
  6. Step 6: Final answer
    x = 50,770.29

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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.