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Finding the Fourth Proportional to 193,969.68, 267,656.40 and 109,084.92

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Solution

The fourth proportional to 193,969.68, 267,656.40 and 109,084.92 is: 150,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,969.68 : 267,656.40 = 109,084.92 : x
  2. Step 2: Convert to fraction form
    193,969.68/267,656.40 = 109,084.92/x
  3. Step 3: Cross multiply
    193,969.68x = 267,656.40 × 109,084.92
  4. Step 4: Simplify right side
    193,969.68x = 29,197,276,981.49
  5. Step 5: Solve for x
    x = 29,197,276,981.49/193,969.68
  6. Step 6: Final answer
    x = 150,524.95

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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.