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Finding the Fourth Proportional to 110,788.80, 166,191.84 and 54,659.04

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Solution

The fourth proportional to 110,788.80, 166,191.84 and 54,659.04 is: 81,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,788.80 : 166,191.84 = 54,659.04 : x
  2. Step 2: Convert to fraction form
    110,788.80/166,191.84 = 54,659.04/x
  3. Step 3: Cross multiply
    110,788.80x = 166,191.84 × 54,659.04
  4. Step 4: Simplify right side
    110,788.80x = 9,083,886,430.23
  5. Step 5: Solve for x
    x = 9,083,886,430.23/110,788.80
  6. Step 6: Final answer
    x = 81,992.82

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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.