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Finding the Fourth Proportional to 111,963.92, 167,825.98 and 55,682.84

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Solution

The fourth proportional to 111,963.92, 167,825.98 and 55,682.84 is: 83,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,963.92 : 167,825.98 = 55,682.84 : x
  2. Step 2: Convert to fraction form
    111,963.92/167,825.98 = 55,682.84/x
  3. Step 3: Cross multiply
    111,963.92x = 167,825.98 × 55,682.84
  4. Step 4: Simplify right side
    111,963.92x = 9,345,027,368.14
  5. Step 5: Solve for x
    x = 9,345,027,368.14/111,963.92
  6. Step 6: Final answer
    x = 83,464.63

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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.