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Finding the Fourth Proportional to 164,387.61, 246,578.67 and 52,067.61

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Solution

The fourth proportional to 164,387.61, 246,578.67 and 52,067.61 is: 78,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,387.61 : 246,578.67 = 52,067.61 : x
  2. Step 2: Convert to fraction form
    164,387.61/246,578.67 = 52,067.61/x
  3. Step 3: Cross multiply
    164,387.61x = 246,578.67 × 52,067.61
  4. Step 4: Simplify right side
    164,387.61x = 12,838,762,023.88
  5. Step 5: Solve for x
    x = 12,838,762,023.88/164,387.61
  6. Step 6: Final answer
    x = 78,100.55

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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.