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Finding the Fourth Proportional to 225,330.26, 338,171.52 and 99,057.74

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Solution

The fourth proportional to 225,330.26, 338,171.52 and 99,057.74 is: 148,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,330.26 : 338,171.52 = 99,057.74 : x
  2. Step 2: Convert to fraction form
    225,330.26/338,171.52 = 99,057.74/x
  3. Step 3: Cross multiply
    225,330.26x = 338,171.52 × 99,057.74
  4. Step 4: Simplify right side
    225,330.26x = 33,498,506,503.56
  5. Step 5: Solve for x
    x = 33,498,506,503.56/225,330.26
  6. Step 6: Final answer
    x = 148,664.04

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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.