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Finding the Fourth Proportional to 263,371.46, 363,453.87 and 148,654.96

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Solution

The fourth proportional to 263,371.46, 363,453.87 and 148,654.96 is: 205,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,371.46 : 363,453.87 = 148,654.96 : x
  2. Step 2: Convert to fraction form
    263,371.46/363,453.87 = 148,654.96/x
  3. Step 3: Cross multiply
    263,371.46x = 363,453.87 × 148,654.96
  4. Step 4: Simplify right side
    263,371.46x = 54,029,220,506.70
  5. Step 5: Solve for x
    x = 54,029,220,506.70/263,371.46
  6. Step 6: Final answer
    x = 205,144.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.