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Finding the Fourth Proportional to 225,361.04, 338,081.78 and 75,650.08

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Solution

The fourth proportional to 225,361.04, 338,081.78 and 75,650.08 is: 113,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,361.04 : 338,081.78 = 75,650.08 : x
  2. Step 2: Convert to fraction form
    225,361.04/338,081.78 = 75,650.08/x
  3. Step 3: Cross multiply
    225,361.04x = 338,081.78 × 75,650.08
  4. Step 4: Simplify right side
    225,361.04x = 25,575,913,703.54
  5. Step 5: Solve for x
    x = 25,575,913,703.54/225,361.04
  6. Step 6: Final answer
    x = 113,488.62

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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.