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Finding the Fourth Proportional to 68,750, 94,803.04 and 50,882.48

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Solution

The fourth proportional to 68,750, 94,803.04 and 50,882.48 is: 70,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,750 : 94,803.04 = 50,882.48 : x
  2. Step 2: Convert to fraction form
    68,750/94,803.04 = 50,882.48/x
  3. Step 3: Cross multiply
    68,750x = 94,803.04 × 50,882.48
  4. Step 4: Simplify right side
    68,750x = 4,823,813,786.74
  5. Step 5: Solve for x
    x = 4,823,813,786.74/68,750
  6. Step 6: Final answer
    x = 70,164.56

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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.