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Finding the Fourth Proportional to 241,067.60, 361,601.40 and 157,086.80

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Solution

The fourth proportional to 241,067.60, 361,601.40 and 157,086.80 is: 235,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,067.60 : 361,601.40 = 157,086.80 : x
  2. Step 2: Convert to fraction form
    241,067.60/361,601.40 = 157,086.80/x
  3. Step 3: Cross multiply
    241,067.60x = 361,601.40 × 157,086.80
  4. Step 4: Simplify right side
    241,067.60x = 56,802,806,801.52
  5. Step 5: Solve for x
    x = 56,802,806,801.52/241,067.60
  6. Step 6: Final answer
    x = 235,630.20

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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.