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Finding the Fourth Proportional to 164,067.80, 246,101.70 and 140,448.20

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Solution

The fourth proportional to 164,067.80, 246,101.70 and 140,448.20 is: 210,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,067.80 : 246,101.70 = 140,448.20 : x
  2. Step 2: Convert to fraction form
    164,067.80/246,101.70 = 140,448.20/x
  3. Step 3: Cross multiply
    164,067.80x = 246,101.70 × 140,448.20
  4. Step 4: Simplify right side
    164,067.80x = 34,564,540,781.94
  5. Step 5: Solve for x
    x = 34,564,540,781.94/164,067.80
  6. Step 6: Final answer
    x = 210,672.30

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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.