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Finding the Fourth Proportional to 241,310.40, 361,965.60 and 166,660.80

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Solution

The fourth proportional to 241,310.40, 361,965.60 and 166,660.80 is: 249,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,310.40 : 361,965.60 = 166,660.80 : x
  2. Step 2: Convert to fraction form
    241,310.40/361,965.60 = 166,660.80/x
  3. Step 3: Cross multiply
    241,310.40x = 361,965.60 × 166,660.80
  4. Step 4: Simplify right side
    241,310.40x = 60,325,476,468.48
  5. Step 5: Solve for x
    x = 60,325,476,468.48/241,310.40
  6. Step 6: Final answer
    x = 249,991.20

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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.