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Finding the Fourth Proportional to 267,388.11, 368,960.49 and 159,918.93

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Solution

The fourth proportional to 267,388.11, 368,960.49 and 159,918.93 is: 220,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,388.11 : 368,960.49 = 159,918.93 : x
  2. Step 2: Convert to fraction form
    267,388.11/368,960.49 = 159,918.93/x
  3. Step 3: Cross multiply
    267,388.11x = 368,960.49 × 159,918.93
  4. Step 4: Simplify right side
    267,388.11x = 59,003,766,773.08
  5. Step 5: Solve for x
    x = 59,003,766,773.08/267,388.11
  6. Step 6: Final answer
    x = 220,667.13

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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.