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Finding the Fourth Proportional to 164,306.88, 246,067.88 and 84,148.47

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Solution

The fourth proportional to 164,306.88, 246,067.88 and 84,148.47 is: 126,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,306.88 : 246,067.88 = 84,148.47 : x
  2. Step 2: Convert to fraction form
    164,306.88/246,067.88 = 84,148.47/x
  3. Step 3: Cross multiply
    164,306.88x = 246,067.88 × 84,148.47
  4. Step 4: Simplify right side
    164,306.88x = 20,706,235,197.40
  5. Step 5: Solve for x
    x = 20,706,235,197.40/164,306.88
  6. Step 6: Final answer
    x = 126,021.72

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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.