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Finding the Fourth Proportional to 111,360.40, 167,040.60 and 73,306.60

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Solution

The fourth proportional to 111,360.40, 167,040.60 and 73,306.60 is: 109,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,360.40 : 167,040.60 = 73,306.60 : x
  2. Step 2: Convert to fraction form
    111,360.40/167,040.60 = 73,306.60/x
  3. Step 3: Cross multiply
    111,360.40x = 167,040.60 × 73,306.60
  4. Step 4: Simplify right side
    111,360.40x = 12,245,178,447.96
  5. Step 5: Solve for x
    x = 12,245,178,447.96/111,360.40
  6. Step 6: Final answer
    x = 109,959.90

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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.