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Finding the Fourth Proportional to 159,644.15, 220,304.81 and 88,022.94

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Solution

The fourth proportional to 159,644.15, 220,304.81 and 88,022.94 is: 121,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,644.15 : 220,304.81 = 88,022.94 : x
  2. Step 2: Convert to fraction form
    159,644.15/220,304.81 = 88,022.94/x
  3. Step 3: Cross multiply
    159,644.15x = 220,304.81 × 88,022.94
  4. Step 4: Simplify right side
    159,644.15x = 19,391,876,632.23
  5. Step 5: Solve for x
    x = 19,391,876,632.23/159,644.15
  6. Step 6: Final answer
    x = 121,469.39

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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.