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Finding the Fourth Proportional to 169,923.60, 254,593.80 and 110,728.80

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Solution

The fourth proportional to 169,923.60, 254,593.80 and 110,728.80 is: 165,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,923.60 : 254,593.80 = 110,728.80 : x
  2. Step 2: Convert to fraction form
    169,923.60/254,593.80 = 110,728.80/x
  3. Step 3: Cross multiply
    169,923.60x = 254,593.80 × 110,728.80
  4. Step 4: Simplify right side
    169,923.60x = 28,190,865,961.44
  5. Step 5: Solve for x
    x = 28,190,865,961.44/169,923.60
  6. Step 6: Final answer
    x = 165,903.18

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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.