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Finding the Fourth Proportional to 88,805, 122,550.90 and 49,061

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Solution

The fourth proportional to 88,805, 122,550.90 and 49,061 is: 67,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,805 : 122,550.90 = 49,061 : x
  2. Step 2: Convert to fraction form
    88,805/122,550.90 = 49,061/x
  3. Step 3: Cross multiply
    88,805x = 122,550.90 × 49,061
  4. Step 4: Simplify right side
    88,805x = 6,012,469,704.90
  5. Step 5: Solve for x
    x = 6,012,469,704.90/88,805
  6. Step 6: Final answer
    x = 67,704.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.