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Finding the Fourth Proportional to 63,068.53, 86,944.12 and 49,616.41

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Solution

The fourth proportional to 63,068.53, 86,944.12 and 49,616.41 is: 68,399.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,068.53 : 86,944.12 = 49,616.41 : x
  2. Step 2: Convert to fraction form
    63,068.53/86,944.12 = 49,616.41/x
  3. Step 3: Cross multiply
    63,068.53x = 86,944.12 × 49,616.41
  4. Step 4: Simplify right side
    63,068.53x = 4,313,855,105.01
  5. Step 5: Solve for x
    x = 4,313,855,105.01/63,068.53
  6. Step 6: Final answer
    x = 68,399.49

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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.