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Finding the Fourth Proportional to 79,352.85, 119,016.97 and 23,177.87

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Solution

The fourth proportional to 79,352.85, 119,016.97 and 23,177.87 is: 34,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,352.85 : 119,016.97 = 23,177.87 : x
  2. Step 2: Convert to fraction form
    79,352.85/119,016.97 = 23,177.87/x
  3. Step 3: Cross multiply
    79,352.85x = 119,016.97 × 23,177.87
  4. Step 4: Simplify right side
    79,352.85x = 2,758,559,978.32
  5. Step 5: Solve for x
    x = 2,758,559,978.32/79,352.85
  6. Step 6: Final answer
    x = 34,763.21

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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.