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Finding the Fourth Proportional to 267,849.64, 369,661.38 and 171,141.64

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Solution

The fourth proportional to 267,849.64, 369,661.38 and 171,141.64 is: 236,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,849.64 : 369,661.38 = 171,141.64 : x
  2. Step 2: Convert to fraction form
    267,849.64/369,661.38 = 171,141.64/x
  3. Step 3: Cross multiply
    267,849.64x = 369,661.38 × 171,141.64
  4. Step 4: Simplify right side
    267,849.64x = 63,264,454,817.86
  5. Step 5: Solve for x
    x = 63,264,454,817.86/267,849.64
  6. Step 6: Final answer
    x = 236,193.91

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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.