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Finding the Fourth Proportional to 225,675.81, 338,445.56 and 67,862.37

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Solution

The fourth proportional to 225,675.81, 338,445.56 and 67,862.37 is: 101,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,675.81 : 338,445.56 = 67,862.37 : x
  2. Step 2: Convert to fraction form
    225,675.81/338,445.56 = 67,862.37/x
  3. Step 3: Cross multiply
    225,675.81x = 338,445.56 × 67,862.37
  4. Step 4: Simplify right side
    225,675.81x = 22,967,717,478.27
  5. Step 5: Solve for x
    x = 22,967,717,478.27/225,675.81
  6. Step 6: Final answer
    x = 101,773.06

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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.