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Finding the Fourth Proportional to 169,582.20, 254,324.40 and 68,380.24

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Solution

The fourth proportional to 169,582.20, 254,324.40 and 68,380.24 is: 102,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,582.20 : 254,324.40 = 68,380.24 : x
  2. Step 2: Convert to fraction form
    169,582.20/254,324.40 = 68,380.24/x
  3. Step 3: Cross multiply
    169,582.20x = 254,324.40 × 68,380.24
  4. Step 4: Simplify right side
    169,582.20x = 17,390,763,509.86
  5. Step 5: Solve for x
    x = 17,390,763,509.86/169,582.20
  6. Step 6: Final answer
    x = 102,550.64

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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.