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Finding the Fourth Proportional to 68,309.69, 94,267.91 and 38,096.96

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Solution

The fourth proportional to 68,309.69, 94,267.91 and 38,096.96 is: 52,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,309.69 : 94,267.91 = 38,096.96 : x
  2. Step 2: Convert to fraction form
    68,309.69/94,267.91 = 38,096.96/x
  3. Step 3: Cross multiply
    68,309.69x = 94,267.91 × 38,096.96
  4. Step 4: Simplify right side
    68,309.69x = 3,591,320,796.55
  5. Step 5: Solve for x
    x = 3,591,320,796.55/68,309.69
  6. Step 6: Final answer
    x = 52,574.10

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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.