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Finding the Fourth Proportional to 111,906.57, 167,859.86 and 45,334.29

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Solution

The fourth proportional to 111,906.57, 167,859.86 and 45,334.29 is: 68,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,906.57 : 167,859.86 = 45,334.29 : x
  2. Step 2: Convert to fraction form
    111,906.57/167,859.86 = 45,334.29/x
  3. Step 3: Cross multiply
    111,906.57x = 167,859.86 × 45,334.29
  4. Step 4: Simplify right side
    111,906.57x = 7,609,807,345.93
  5. Step 5: Solve for x
    x = 7,609,807,345.93/111,906.57
  6. Step 6: Final answer
    x = 68,001.44

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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.