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Finding the Fourth Proportional to 225,458.55, 338,027.65 and 113,057.69

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Solution

The fourth proportional to 225,458.55, 338,027.65 and 113,057.69 is: 169,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,458.55 : 338,027.65 = 113,057.69 : x
  2. Step 2: Convert to fraction form
    225,458.55/338,027.65 = 113,057.69/x
  3. Step 3: Cross multiply
    225,458.55x = 338,027.65 × 113,057.69
  4. Step 4: Simplify right side
    225,458.55x = 38,216,623,292.35
  5. Step 5: Solve for x
    x = 38,216,623,292.35/225,458.55
  6. Step 6: Final answer
    x = 169,506.21

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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.