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Finding the Fourth Proportional to 231,241.37, 346,854.69 and 104,789.03

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Solution

The fourth proportional to 231,241.37, 346,854.69 and 104,789.03 is: 157,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,241.37 : 346,854.69 = 104,789.03 : x
  2. Step 2: Convert to fraction form
    231,241.37/346,854.69 = 104,789.03/x
  3. Step 3: Cross multiply
    231,241.37x = 346,854.69 × 104,789.03
  4. Step 4: Simplify right side
    231,241.37x = 36,346,564,781.78
  5. Step 5: Solve for x
    x = 36,346,564,781.78/231,241.37
  6. Step 6: Final answer
    x = 157,180.20

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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.