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Finding the Fourth Proportional to 225,381.52, 338,243.67 and 83,361.16

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Solution

The fourth proportional to 225,381.52, 338,243.67 and 83,361.16 is: 125,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,381.52 : 338,243.67 = 83,361.16 : x
  2. Step 2: Convert to fraction form
    225,381.52/338,243.67 = 83,361.16/x
  3. Step 3: Cross multiply
    225,381.52x = 338,243.67 × 83,361.16
  4. Step 4: Simplify right side
    225,381.52x = 28,196,384,693.86
  5. Step 5: Solve for x
    x = 28,196,384,693.86/225,381.52
  6. Step 6: Final answer
    x = 125,105.13

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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.