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Finding the Fourth Proportional to 111,260.96, 167,016 and 73,894.02

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Solution

The fourth proportional to 111,260.96, 167,016 and 73,894.02 is: 110,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,260.96 : 167,016 = 73,894.02 : x
  2. Step 2: Convert to fraction form
    111,260.96/167,016 = 73,894.02/x
  3. Step 3: Cross multiply
    111,260.96x = 167,016 × 73,894.02
  4. Step 4: Simplify right side
    111,260.96x = 12,341,483,644.32
  5. Step 5: Solve for x
    x = 12,341,483,644.32/111,260.96
  6. Step 6: Final answer
    x = 110,923.76

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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.