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Finding the Fourth Proportional to 117,981.68, 176,874.56 and 46,860.44

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Solution

The fourth proportional to 117,981.68, 176,874.56 and 46,860.44 is: 70,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,981.68 : 176,874.56 = 46,860.44 : x
  2. Step 2: Convert to fraction form
    117,981.68/176,874.56 = 46,860.44/x
  3. Step 3: Cross multiply
    117,981.68x = 176,874.56 × 46,860.44
  4. Step 4: Simplify right side
    117,981.68x = 8,288,419,706.41
  5. Step 5: Solve for x
    x = 8,288,419,706.41/117,981.68
  6. Step 6: Final answer
    x = 70,251.75

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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.