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Finding the Fourth Proportional to 247,559.45, 371,295.26 and 112,591.90

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Solution

The fourth proportional to 247,559.45, 371,295.26 and 112,591.90 is: 168,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,559.45 : 371,295.26 = 112,591.90 : x
  2. Step 2: Convert to fraction form
    247,559.45/371,295.26 = 112,591.90/x
  3. Step 3: Cross multiply
    247,559.45x = 371,295.26 × 112,591.90
  4. Step 4: Simplify right side
    247,559.45x = 41,804,836,927.92
  5. Step 5: Solve for x
    x = 41,804,836,927.92/247,559.45
  6. Step 6: Final answer
    x = 168,867.87

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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.