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Finding the Fourth Proportional to 267,374.56, 368,911.92 and 148,142.56

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Solution

The fourth proportional to 267,374.56, 368,911.92 and 148,142.56 is: 204,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,374.56 : 368,911.92 = 148,142.56 : x
  2. Step 2: Convert to fraction form
    267,374.56/368,911.92 = 148,142.56/x
  3. Step 3: Cross multiply
    267,374.56x = 368,911.92 × 148,142.56
  4. Step 4: Simplify right side
    267,374.56x = 54,651,556,243.32
  5. Step 5: Solve for x
    x = 54,651,556,243.32/267,374.56
  6. Step 6: Final answer
    x = 204,400.73

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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.