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Finding the Fourth Proportional to 159,868.24, 220,616.93 and 88,248.24

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Solution

The fourth proportional to 159,868.24, 220,616.93 and 88,248.24 is: 121,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,868.24 : 220,616.93 = 88,248.24 : x
  2. Step 2: Convert to fraction form
    159,868.24/220,616.93 = 88,248.24/x
  3. Step 3: Cross multiply
    159,868.24x = 220,616.93 × 88,248.24
  4. Step 4: Simplify right side
    159,868.24x = 19,469,056,007.32
  5. Step 5: Solve for x
    x = 19,469,056,007.32/159,868.24
  6. Step 6: Final answer
    x = 121,781.89

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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.