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Finding the Fourth Proportional to 68,313.32, 94,270.07 and 37,687.64

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Solution

The fourth proportional to 68,313.32, 94,270.07 and 37,687.64 is: 52,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,313.32 : 94,270.07 = 37,687.64 : x
  2. Step 2: Convert to fraction form
    68,313.32/94,270.07 = 37,687.64/x
  3. Step 3: Cross multiply
    68,313.32x = 94,270.07 × 37,687.64
  4. Step 4: Simplify right side
    68,313.32x = 3,552,816,154.66
  5. Step 5: Solve for x
    x = 3,552,816,154.66/68,313.32
  6. Step 6: Final answer
    x = 52,007.66

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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.