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Finding the Fourth Proportional to 169,532.80, 254,590.80 and 110,629.60

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Solution

The fourth proportional to 169,532.80, 254,590.80 and 110,629.60 is: 166,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,532.80 : 254,590.80 = 110,629.60 : x
  2. Step 2: Convert to fraction form
    169,532.80/254,590.80 = 110,629.60/x
  3. Step 3: Cross multiply
    169,532.80x = 254,590.80 × 110,629.60
  4. Step 4: Simplify right side
    169,532.80x = 28,165,278,367.68
  5. Step 5: Solve for x
    x = 28,165,278,367.68/169,532.80
  6. Step 6: Final answer
    x = 166,134.69

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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.