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Finding the Fourth Proportional to 193,632.66, 267,214.95 and 111,954.78

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Solution

The fourth proportional to 193,632.66, 267,214.95 and 111,954.78 is: 154,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,632.66 : 267,214.95 = 111,954.78 : x
  2. Step 2: Convert to fraction form
    193,632.66/267,214.95 = 111,954.78/x
  3. Step 3: Cross multiply
    193,632.66x = 267,214.95 × 111,954.78
  4. Step 4: Simplify right side
    193,632.66x = 29,915,990,939.96
  5. Step 5: Solve for x
    x = 29,915,990,939.96/193,632.66
  6. Step 6: Final answer
    x = 154,498.68

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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.