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Finding the Fourth Proportional to 110,990.52, 166,488.48 and 36,110.88

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Solution

The fourth proportional to 110,990.52, 166,488.48 and 36,110.88 is: 54,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,990.52 : 166,488.48 = 36,110.88 : x
  2. Step 2: Convert to fraction form
    110,990.52/166,488.48 = 36,110.88/x
  3. Step 3: Cross multiply
    110,990.52x = 166,488.48 × 36,110.88
  4. Step 4: Simplify right side
    110,990.52x = 6,012,045,522.66
  5. Step 5: Solve for x
    x = 6,012,045,522.66/110,990.52
  6. Step 6: Final answer
    x = 54,167.20

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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.