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Finding the Fourth Proportional to 111,778.32, 167,684.16 and 36,906.38

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Solution

The fourth proportional to 111,778.32, 167,684.16 and 36,906.38 is: 55,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,778.32 : 167,684.16 = 36,906.38 : x
  2. Step 2: Convert to fraction form
    111,778.32/167,684.16 = 36,906.38/x
  3. Step 3: Cross multiply
    111,778.32x = 167,684.16 × 36,906.38
  4. Step 4: Simplify right side
    111,778.32x = 6,188,614,490.52
  5. Step 5: Solve for x
    x = 6,188,614,490.52/111,778.32
  6. Step 6: Final answer
    x = 55,365.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.