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Finding the Fourth Proportional to 110,995.20, 166,492.80 and 95,788.80

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Solution

The fourth proportional to 110,995.20, 166,492.80 and 95,788.80 is: 143,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,995.20 : 166,492.80 = 95,788.80 : x
  2. Step 2: Convert to fraction form
    110,995.20/166,492.80 = 95,788.80/x
  3. Step 3: Cross multiply
    110,995.20x = 166,492.80 × 95,788.80
  4. Step 4: Simplify right side
    110,995.20x = 15,948,145,520.64
  5. Step 5: Solve for x
    x = 15,948,145,520.64/110,995.20
  6. Step 6: Final answer
    x = 143,683.20

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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.