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Finding the Fourth Proportional to 111,402.80, 167,104.20 and 107,466.20

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Solution

The fourth proportional to 111,402.80, 167,104.20 and 107,466.20 is: 161,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,402.80 : 167,104.20 = 107,466.20 : x
  2. Step 2: Convert to fraction form
    111,402.80/167,104.20 = 107,466.20/x
  3. Step 3: Cross multiply
    111,402.80x = 167,104.20 × 107,466.20
  4. Step 4: Simplify right side
    111,402.80x = 17,958,053,378.04
  5. Step 5: Solve for x
    x = 17,958,053,378.04/111,402.80
  6. Step 6: Final answer
    x = 161,199.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.