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Finding the Fourth Proportional to 113,229.80, 169,844.70 and 100,982.60

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Solution

The fourth proportional to 113,229.80, 169,844.70 and 100,982.60 is: 151,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,229.80 : 169,844.70 = 100,982.60 : x
  2. Step 2: Convert to fraction form
    113,229.80/169,844.70 = 100,982.60/x
  3. Step 3: Cross multiply
    113,229.80x = 169,844.70 × 100,982.60
  4. Step 4: Simplify right side
    113,229.80x = 17,151,359,402.22
  5. Step 5: Solve for x
    x = 17,151,359,402.22/113,229.80
  6. Step 6: Final answer
    x = 151,473.90

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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.