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Finding the Fourth Proportional to 68,197.11, 94,105.31 and 37,981.41

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Solution

The fourth proportional to 68,197.11, 94,105.31 and 37,981.41 is: 52,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,197.11 : 94,105.31 = 37,981.41 : x
  2. Step 2: Convert to fraction form
    68,197.11/94,105.31 = 37,981.41/x
  3. Step 3: Cross multiply
    68,197.11x = 94,105.31 × 37,981.41
  4. Step 4: Simplify right side
    68,197.11x = 3,574,252,172.38
  5. Step 5: Solve for x
    x = 3,574,252,172.38/68,197.11
  6. Step 6: Final answer
    x = 52,410.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.