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Finding the Fourth Proportional to 225,877.42, 338,759.25 and 92,794.42

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Solution

The fourth proportional to 225,877.42, 338,759.25 and 92,794.42 is: 139,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,877.42 : 338,759.25 = 92,794.42 : x
  2. Step 2: Convert to fraction form
    225,877.42/338,759.25 = 92,794.42/x
  3. Step 3: Cross multiply
    225,877.42x = 338,759.25 × 92,794.42
  4. Step 4: Simplify right side
    225,877.42x = 31,434,968,123.39
  5. Step 5: Solve for x
    x = 31,434,968,123.39/225,877.42
  6. Step 6: Final answer
    x = 139,168.26

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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.