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Finding the Fourth Proportional to 225,479.65, 338,250.53 and 75,762.71

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Solution

The fourth proportional to 225,479.65, 338,250.53 and 75,762.71 is: 113,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,479.65 : 338,250.53 = 75,762.71 : x
  2. Step 2: Convert to fraction form
    225,479.65/338,250.53 = 75,762.71/x
  3. Step 3: Cross multiply
    225,479.65x = 338,250.53 × 75,762.71
  4. Step 4: Simplify right side
    225,479.65x = 25,626,777,846.77
  5. Step 5: Solve for x
    x = 25,626,777,846.77/225,479.65
  6. Step 6: Final answer
    x = 113,654.51

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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.