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Finding the Fourth Proportional to 111,269.52, 166,969.80 and 41,197.68

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Solution

The fourth proportional to 111,269.52, 166,969.80 and 41,197.68 is: 61,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,269.52 : 166,969.80 = 41,197.68 : x
  2. Step 2: Convert to fraction form
    111,269.52/166,969.80 = 41,197.68/x
  3. Step 3: Cross multiply
    111,269.52x = 166,969.80 × 41,197.68
  4. Step 4: Simplify right side
    111,269.52x = 6,878,768,390.06
  5. Step 5: Solve for x
    x = 6,878,768,390.06/111,269.52
  6. Step 6: Final answer
    x = 61,820.78

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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.