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Finding the Fourth Proportional to 79,049.16, 118,418.22 and 52,377.48

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Solution

The fourth proportional to 79,049.16, 118,418.22 and 52,377.48 is: 78,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,049.16 : 118,418.22 = 52,377.48 : x
  2. Step 2: Convert to fraction form
    79,049.16/118,418.22 = 52,377.48/x
  3. Step 3: Cross multiply
    79,049.16x = 118,418.22 × 52,377.48
  4. Step 4: Simplify right side
    79,049.16x = 6,202,447,949.69
  5. Step 5: Solve for x
    x = 6,202,447,949.69/79,049.16
  6. Step 6: Final answer
    x = 78,463.17

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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.