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Finding the Fourth Proportional to 225,904.52, 338,859.22 and 68,134.34

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Solution

The fourth proportional to 225,904.52, 338,859.22 and 68,134.34 is: 102,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,904.52 : 338,859.22 = 68,134.34 : x
  2. Step 2: Convert to fraction form
    225,904.52/338,859.22 = 68,134.34/x
  3. Step 3: Cross multiply
    225,904.52x = 338,859.22 × 68,134.34
  4. Step 4: Simplify right side
    225,904.52x = 23,087,949,307.61
  5. Step 5: Solve for x
    x = 23,087,949,307.61/225,904.52
  6. Step 6: Final answer
    x = 102,202.25

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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.