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Finding the Fourth Proportional to 225,549.60, 338,363.48 and 75,804.49

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Solution

The fourth proportional to 225,549.60, 338,363.48 and 75,804.49 is: 113,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,549.60 : 338,363.48 = 75,804.49 : x
  2. Step 2: Convert to fraction form
    225,549.60/338,363.48 = 75,804.49/x
  3. Step 3: Cross multiply
    225,549.60x = 338,363.48 × 75,804.49
  4. Step 4: Simplify right side
    225,549.60x = 25,649,471,036.03
  5. Step 5: Solve for x
    x = 25,649,471,036.03/225,549.60
  6. Step 6: Final answer
    x = 113,719.87

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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.