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Finding the Fourth Proportional to 159,922.62, 220,605.93 and 111,447.90

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Solution

The fourth proportional to 159,922.62, 220,605.93 and 111,447.90 is: 153,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,922.62 : 220,605.93 = 111,447.90 : x
  2. Step 2: Convert to fraction form
    159,922.62/220,605.93 = 111,447.90/x
  3. Step 3: Cross multiply
    159,922.62x = 220,605.93 × 111,447.90
  4. Step 4: Simplify right side
    159,922.62x = 24,586,067,626.05
  5. Step 5: Solve for x
    x = 24,586,067,626.05/159,922.62
  6. Step 6: Final answer
    x = 153,737.27

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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.