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Finding the Fourth Proportional to 225,556.61, 338,366.01 and 75,808.52

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Solution

The fourth proportional to 225,556.61, 338,366.01 and 75,808.52 is: 113,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,556.61 : 338,366.01 = 75,808.52 : x
  2. Step 2: Convert to fraction form
    225,556.61/338,366.01 = 75,808.52/x
  3. Step 3: Cross multiply
    225,556.61x = 338,366.01 × 75,808.52
  4. Step 4: Simplify right side
    225,556.61x = 25,651,024,744.58
  5. Step 5: Solve for x
    x = 25,651,024,744.58/225,556.61
  6. Step 6: Final answer
    x = 113,723.22

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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.