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Finding the Fourth Proportional to 110,811.29, 166,216.92 and 27,705.29

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Solution

The fourth proportional to 110,811.29, 166,216.92 and 27,705.29 is: 41,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,811.29 : 166,216.92 = 27,705.29 : x
  2. Step 2: Convert to fraction form
    110,811.29/166,216.92 = 27,705.29/x
  3. Step 3: Cross multiply
    110,811.29x = 166,216.92 × 27,705.29
  4. Step 4: Simplify right side
    110,811.29x = 4,605,087,140.42
  5. Step 5: Solve for x
    x = 4,605,087,140.42/110,811.29
  6. Step 6: Final answer
    x = 41,557.93

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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.