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Finding the Fourth Proportional to 262,067.52, 361,663.20 and 142,835.52

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Solution

The fourth proportional to 262,067.52, 361,663.20 and 142,835.52 is: 197,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,067.52 : 361,663.20 = 142,835.52 : x
  2. Step 2: Convert to fraction form
    262,067.52/361,663.20 = 142,835.52/x
  3. Step 3: Cross multiply
    262,067.52x = 361,663.20 × 142,835.52
  4. Step 4: Simplify right side
    262,067.52x = 51,658,351,236.86
  5. Step 5: Solve for x
    x = 51,658,351,236.86/262,067.52
  6. Step 6: Final answer
    x = 197,118.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.