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Finding the Fourth Proportional to 193,578.91, 267,092.16 and 112,960.42

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Solution

The fourth proportional to 193,578.91, 267,092.16 and 112,960.42 is: 155,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,578.91 : 267,092.16 = 112,960.42 : x
  2. Step 2: Convert to fraction form
    193,578.91/267,092.16 = 112,960.42/x
  3. Step 3: Cross multiply
    193,578.91x = 267,092.16 × 112,960.42
  4. Step 4: Simplify right side
    193,578.91x = 30,170,842,572.31
  5. Step 5: Solve for x
    x = 30,170,842,572.31/193,578.91
  6. Step 6: Final answer
    x = 155,858.11

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1.5x scale

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.