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Finding the Fourth Proportional to 247,765.52, 371,703.66 and 79,295.94

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Solution

The fourth proportional to 247,765.52, 371,703.66 and 79,295.94 is: 118,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,765.52 : 371,703.66 = 79,295.94 : x
  2. Step 2: Convert to fraction form
    247,765.52/371,703.66 = 79,295.94/x
  3. Step 3: Cross multiply
    247,765.52x = 371,703.66 × 79,295.94
  4. Step 4: Simplify right side
    247,765.52x = 29,474,591,121.14
  5. Step 5: Solve for x
    x = 29,474,591,121.14/247,765.52
  6. Step 6: Final answer
    x = 118,961.64

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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.