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Finding the Fourth Proportional to 68,397.72, 94,392.64 and 38,183.29

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Solution

The fourth proportional to 68,397.72, 94,392.64 and 38,183.29 is: 52,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,397.72 : 94,392.64 = 38,183.29 : x
  2. Step 2: Convert to fraction form
    68,397.72/94,392.64 = 38,183.29/x
  3. Step 3: Cross multiply
    68,397.72x = 94,392.64 × 38,183.29
  4. Step 4: Simplify right side
    68,397.72x = 3,604,221,546.99
  5. Step 5: Solve for x
    x = 3,604,221,546.99/68,397.72
  6. Step 6: Final answer
    x = 52,695.05

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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.