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Finding the Fourth Proportional to 159,870.56, 220,622.91 and 88,249.04

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Solution

The fourth proportional to 159,870.56, 220,622.91 and 88,249.04 is: 121,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,870.56 : 220,622.91 = 88,249.04 : x
  2. Step 2: Convert to fraction form
    159,870.56/220,622.91 = 88,249.04/x
  3. Step 3: Cross multiply
    159,870.56x = 220,622.91 × 88,249.04
  4. Step 4: Simplify right side
    159,870.56x = 19,469,759,568.26
  5. Step 5: Solve for x
    x = 19,469,759,568.26/159,870.56
  6. Step 6: Final answer
    x = 121,784.52

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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.