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Finding the Fourth Proportional to 110,910.76, 166,383.42 and 66,527.08

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Solution

The fourth proportional to 110,910.76, 166,383.42 and 66,527.08 is: 99,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,910.76 : 166,383.42 = 66,527.08 : x
  2. Step 2: Convert to fraction form
    110,910.76/166,383.42 = 66,527.08/x
  3. Step 3: Cross multiply
    110,910.76x = 166,383.42 × 66,527.08
  4. Step 4: Simplify right side
    110,910.76x = 11,069,003,093.01
  5. Step 5: Solve for x
    x = 11,069,003,093.01/110,910.76
  6. Step 6: Final answer
    x = 99,800.98

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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.