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Finding the Fourth Proportional to 88,640.88, 122,369.54 and 68,452.44

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Solution

The fourth proportional to 88,640.88, 122,369.54 and 68,452.44 is: 94,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,640.88 : 122,369.54 = 68,452.44 : x
  2. Step 2: Convert to fraction form
    88,640.88/122,369.54 = 68,452.44/x
  3. Step 3: Cross multiply
    88,640.88x = 122,369.54 × 68,452.44
  4. Step 4: Simplify right side
    88,640.88x = 8,376,493,594.68
  5. Step 5: Solve for x
    x = 8,376,493,594.68/88,640.88
  6. Step 6: Final answer
    x = 94,499.22

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1.5x scale

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.