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Finding the Fourth Proportional to 111,847.52, 167,650 and 55,729.52

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Solution

The fourth proportional to 111,847.52, 167,650 and 55,729.52 is: 83,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,847.52 : 167,650 = 55,729.52 : x
  2. Step 2: Convert to fraction form
    111,847.52/167,650 = 55,729.52/x
  3. Step 3: Cross multiply
    111,847.52x = 167,650 × 55,729.52
  4. Step 4: Simplify right side
    111,847.52x = 9,343,054,028
  5. Step 5: Solve for x
    x = 9,343,054,028/111,847.52
  6. Step 6: Final answer
    x = 83,533.85

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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.