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Finding the Fourth Proportional to 225,793.12, 338,702.64 and 68,005.12

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Solution

The fourth proportional to 225,793.12, 338,702.64 and 68,005.12 is: 102,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,793.12 : 338,702.64 = 68,005.12 : x
  2. Step 2: Convert to fraction form
    225,793.12/338,702.64 = 68,005.12/x
  3. Step 3: Cross multiply
    225,793.12x = 338,702.64 × 68,005.12
  4. Step 4: Simplify right side
    225,793.12x = 23,033,513,677.52
  5. Step 5: Solve for x
    x = 23,033,513,677.52/225,793.12
  6. Step 6: Final answer
    x = 102,011.58

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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.