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Finding the Fourth Proportional to 169,428.60, 253,851.30 and 110,233.80

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Solution

The fourth proportional to 169,428.60, 253,851.30 and 110,233.80 is: 165,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,428.60 : 253,851.30 = 110,233.80 : x
  2. Step 2: Convert to fraction form
    169,428.60/253,851.30 = 110,233.80/x
  3. Step 3: Cross multiply
    169,428.60x = 253,851.30 × 110,233.80
  4. Step 4: Simplify right side
    169,428.60x = 27,982,993,433.94
  5. Step 5: Solve for x
    x = 27,982,993,433.94/169,428.60
  6. Step 6: Final answer
    x = 165,160.98

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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.