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Finding the Fourth Proportional to 247,612.86, 371,279.88 and 79,093.59

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Solution

The fourth proportional to 247,612.86, 371,279.88 and 79,093.59 is: 118,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,612.86 : 371,279.88 = 79,093.59 : x
  2. Step 2: Convert to fraction form
    247,612.86/371,279.88 = 79,093.59/x
  3. Step 3: Cross multiply
    247,612.86x = 371,279.88 × 79,093.59
  4. Step 4: Simplify right side
    247,612.86x = 29,365,858,603.97
  5. Step 5: Solve for x
    x = 29,365,858,603.97/247,612.86
  6. Step 6: Final answer
    x = 118,595.85

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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.