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Finding the Fourth Proportional to 88,960.80, 122,797.18 and 54,995.34

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Solution

The fourth proportional to 88,960.80, 122,797.18 and 54,995.34 is: 75,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,960.80 : 122,797.18 = 54,995.34 : x
  2. Step 2: Convert to fraction form
    88,960.80/122,797.18 = 54,995.34/x
  3. Step 3: Cross multiply
    88,960.80x = 122,797.18 × 54,995.34
  4. Step 4: Simplify right side
    88,960.80x = 6,753,272,665.14
  5. Step 5: Solve for x
    x = 6,753,272,665.14/88,960.80
  6. Step 6: Final answer
    x = 75,912.90

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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.