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Finding the Fourth Proportional to 225,494.26, 338,241.15 and 92,374.74

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Solution

The fourth proportional to 225,494.26, 338,241.15 and 92,374.74 is: 138,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,494.26 : 338,241.15 = 92,374.74 : x
  2. Step 2: Convert to fraction form
    225,494.26/338,241.15 = 92,374.74/x
  3. Step 3: Cross multiply
    225,494.26x = 338,241.15 × 92,374.74
  4. Step 4: Simplify right side
    225,494.26x = 31,244,938,288.55
  5. Step 5: Solve for x
    x = 31,244,938,288.55/225,494.26
  6. Step 6: Final answer
    x = 138,562.01

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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.