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Finding the Fourth Proportional to 79,770.78, 119,656.04 and 37,052.85

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Solution

The fourth proportional to 79,770.78, 119,656.04 and 37,052.85 is: 55,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,770.78 : 119,656.04 = 37,052.85 : x
  2. Step 2: Convert to fraction form
    79,770.78/119,656.04 = 37,052.85/x
  3. Step 3: Cross multiply
    79,770.78x = 119,656.04 × 37,052.85
  4. Step 4: Simplify right side
    79,770.78x = 4,433,596,806.69
  5. Step 5: Solve for x
    x = 4,433,596,806.69/79,770.78
  6. Step 6: Final answer
    x = 55,579.21

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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.