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Finding the Fourth Proportional to 122,606.70, 169,202.24 and 68,891.55

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Solution

The fourth proportional to 122,606.70, 169,202.24 and 68,891.55 is: 95,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,606.70 : 169,202.24 = 68,891.55 : x
  2. Step 2: Convert to fraction form
    122,606.70/169,202.24 = 68,891.55/x
  3. Step 3: Cross multiply
    122,606.70x = 169,202.24 × 68,891.55
  4. Step 4: Simplify right side
    122,606.70x = 11,656,604,232.61
  5. Step 5: Solve for x
    x = 11,656,604,232.61/122,606.70
  6. Step 6: Final answer
    x = 95,073.14

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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.