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Finding the Fourth Proportional to 225,492.80, 338,270.24 and 75,775.91

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Solution

The fourth proportional to 225,492.80, 338,270.24 and 75,775.91 is: 113,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,492.80 : 338,270.24 = 75,775.91 : x
  2. Step 2: Convert to fraction form
    225,492.80/338,270.24 = 75,775.91/x
  3. Step 3: Cross multiply
    225,492.80x = 338,270.24 × 75,775.91
  4. Step 4: Simplify right side
    225,492.80x = 25,632,733,760.01
  5. Step 5: Solve for x
    x = 25,632,733,760.01/225,492.80
  6. Step 6: Final answer
    x = 113,674.29

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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.