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Finding the Fourth Proportional to 188,065.62, 259,462.44 and 123,569.55

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Solution

The fourth proportional to 188,065.62, 259,462.44 and 123,569.55 is: 170,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,065.62 : 259,462.44 = 123,569.55 : x
  2. Step 2: Convert to fraction form
    188,065.62/259,462.44 = 123,569.55/x
  3. Step 3: Cross multiply
    188,065.62x = 259,462.44 × 123,569.55
  4. Step 4: Simplify right side
    188,065.62x = 32,061,656,952.70
  5. Step 5: Solve for x
    x = 32,061,656,952.70/188,065.62
  6. Step 6: Final answer
    x = 170,481.22

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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.