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Finding the Fourth Proportional to 225,686.62, 338,552.27 and 83,569.82

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Solution

The fourth proportional to 225,686.62, 338,552.27 and 83,569.82 is: 125,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,686.62 : 338,552.27 = 83,569.82 : x
  2. Step 2: Convert to fraction form
    225,686.62/338,552.27 = 83,569.82/x
  3. Step 3: Cross multiply
    225,686.62x = 338,552.27 × 83,569.82
  4. Step 4: Simplify right side
    225,686.62x = 28,292,751,846.64
  5. Step 5: Solve for x
    x = 28,292,751,846.64/225,686.62
  6. Step 6: Final answer
    x = 125,363.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.