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Finding the Fourth Proportional to 267,228.11, 368,774.88 and 146,371.42

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Solution

The fourth proportional to 267,228.11, 368,774.88 and 146,371.42 is: 201,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,228.11 : 368,774.88 = 146,371.42 : x
  2. Step 2: Convert to fraction form
    267,228.11/368,774.88 = 146,371.42/x
  3. Step 3: Cross multiply
    267,228.11x = 368,774.88 × 146,371.42
  4. Step 4: Simplify right side
    267,228.11x = 53,978,102,845.93
  5. Step 5: Solve for x
    x = 53,978,102,845.93/267,228.11
  6. Step 6: Final answer
    x = 201,992.61

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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.