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Finding the Fourth Proportional to 193,967.54, 267,643.92 and 109,079.54

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Solution

The fourth proportional to 193,967.54, 267,643.92 and 109,079.54 is: 150,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,967.54 : 267,643.92 = 109,079.54 : x
  2. Step 2: Convert to fraction form
    193,967.54/267,643.92 = 109,079.54/x
  3. Step 3: Cross multiply
    193,967.54x = 267,643.92 × 109,079.54
  4. Step 4: Simplify right side
    193,967.54x = 29,194,475,677.40
  5. Step 5: Solve for x
    x = 29,194,475,677.40/193,967.54
  6. Step 6: Final answer
    x = 150,512.17

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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.