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Finding the Fourth Proportional to 110,843.52, 166,265.28 and 40,692.48

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Solution

The fourth proportional to 110,843.52, 166,265.28 and 40,692.48 is: 61,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,843.52 : 166,265.28 = 40,692.48 : x
  2. Step 2: Convert to fraction form
    110,843.52/166,265.28 = 40,692.48/x
  3. Step 3: Cross multiply
    110,843.52x = 166,265.28 × 40,692.48
  4. Step 4: Simplify right side
    110,843.52x = 6,765,746,581.09
  5. Step 5: Solve for x
    x = 6,765,746,581.09/110,843.52
  6. Step 6: Final answer
    x = 61,038.72

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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.