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Finding the Fourth Proportional to 164,711.71, 247,067.57 and 40,052.71

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Solution

The fourth proportional to 164,711.71, 247,067.57 and 40,052.71 is: 60,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,711.71 : 247,067.57 = 40,052.71 : x
  2. Step 2: Convert to fraction form
    164,711.71/247,067.57 = 40,052.71/x
  3. Step 3: Cross multiply
    164,711.71x = 247,067.57 × 40,052.71
  4. Step 4: Simplify right side
    164,711.71x = 9,895,725,731.61
  5. Step 5: Solve for x
    x = 9,895,725,731.61/164,711.71
  6. Step 6: Final answer
    x = 60,079.07

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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.