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Finding the Fourth Proportional to 225,324.16, 337,862.40 and 75,485.68

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Solution

The fourth proportional to 225,324.16, 337,862.40 and 75,485.68 is: 113,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,324.16 : 337,862.40 = 75,485.68 : x
  2. Step 2: Convert to fraction form
    225,324.16/337,862.40 = 75,485.68/x
  3. Step 3: Cross multiply
    225,324.16x = 337,862.40 × 75,485.68
  4. Step 4: Simplify right side
    225,324.16x = 25,503,773,010.43
  5. Step 5: Solve for x
    x = 25,503,773,010.43/225,324.16
  6. Step 6: Final answer
    x = 113,187.03

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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.