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Finding the Fourth Proportional to 168,250.52, 232,105.56 and 100,228.52

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Solution

The fourth proportional to 168,250.52, 232,105.56 and 100,228.52 is: 138,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,250.52 : 232,105.56 = 100,228.52 : x
  2. Step 2: Convert to fraction form
    168,250.52/232,105.56 = 100,228.52/x
  3. Step 3: Cross multiply
    168,250.52x = 232,105.56 × 100,228.52
  4. Step 4: Simplify right side
    168,250.52x = 23,263,596,762.57
  5. Step 5: Solve for x
    x = 23,263,596,762.57/168,250.52
  6. Step 6: Final answer
    x = 138,267.61

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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.