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Finding the Fourth Proportional to 169,323.60, 254,093.40 and 80,677.20

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Solution

The fourth proportional to 169,323.60, 254,093.40 and 80,677.20 is: 121,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,323.60 : 254,093.40 = 80,677.20 : x
  2. Step 2: Convert to fraction form
    169,323.60/254,093.40 = 80,677.20/x
  3. Step 3: Cross multiply
    169,323.60x = 254,093.40 × 80,677.20
  4. Step 4: Simplify right side
    169,323.60x = 20,499,544,050.48
  5. Step 5: Solve for x
    x = 20,499,544,050.48/169,323.60
  6. Step 6: Final answer
    x = 121,067.26

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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.