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Finding the Fourth Proportional to 110,616.60, 166,011.30 and 51,459.60

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Solution

The fourth proportional to 110,616.60, 166,011.30 and 51,459.60 is: 77,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,616.60 : 166,011.30 = 51,459.60 : x
  2. Step 2: Convert to fraction form
    110,616.60/166,011.30 = 51,459.60/x
  3. Step 3: Cross multiply
    110,616.60x = 166,011.30 × 51,459.60
  4. Step 4: Simplify right side
    110,616.60x = 8,542,875,093.48
  5. Step 5: Solve for x
    x = 8,542,875,093.48/110,616.60
  6. Step 6: Final answer
    x = 77,229.59

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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.