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Finding the Fourth Proportional to 267,892.11, 369,690.84 and 147,033.72

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Solution

The fourth proportional to 267,892.11, 369,690.84 and 147,033.72 is: 202,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,892.11 : 369,690.84 = 147,033.72 : x
  2. Step 2: Convert to fraction form
    267,892.11/369,690.84 = 147,033.72/x
  3. Step 3: Cross multiply
    267,892.11x = 369,690.84 × 147,033.72
  4. Step 4: Simplify right side
    267,892.11x = 54,357,019,455.12
  5. Step 5: Solve for x
    x = 54,357,019,455.12/267,892.11
  6. Step 6: Final answer
    x = 202,906.38

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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.