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Finding the Fourth Proportional to 169,863.10, 254,503.05 and 110,668.30

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Solution

The fourth proportional to 169,863.10, 254,503.05 and 110,668.30 is: 165,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,863.10 : 254,503.05 = 110,668.30 : x
  2. Step 2: Convert to fraction form
    169,863.10/254,503.05 = 110,668.30/x
  3. Step 3: Cross multiply
    169,863.10x = 254,503.05 × 110,668.30
  4. Step 4: Simplify right side
    169,863.10x = 28,165,419,888.32
  5. Step 5: Solve for x
    x = 28,165,419,888.32/169,863.10
  6. Step 6: Final answer
    x = 165,812.47

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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.