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Finding the Fourth Proportional to 111,527.73, 167,204.11 and 55,328.31

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Solution

The fourth proportional to 111,527.73, 167,204.11 and 55,328.31 is: 82,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,527.73 : 167,204.11 = 55,328.31 : x
  2. Step 2: Convert to fraction form
    111,527.73/167,204.11 = 55,328.31/x
  3. Step 3: Cross multiply
    111,527.73x = 167,204.11 × 55,328.31
  4. Step 4: Simplify right side
    111,527.73x = 9,251,120,831.35
  5. Step 5: Solve for x
    x = 9,251,120,831.35/111,527.73
  6. Step 6: Final answer
    x = 82,949.06

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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.