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Finding the Fourth Proportional to 68,360.66, 94,322.58 and 39,663.71

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Solution

The fourth proportional to 68,360.66, 94,322.58 and 39,663.71 is: 54,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,360.66 : 94,322.58 = 39,663.71 : x
  2. Step 2: Convert to fraction form
    68,360.66/94,322.58 = 39,663.71/x
  3. Step 3: Cross multiply
    68,360.66x = 94,322.58 × 39,663.71
  4. Step 4: Simplify right side
    68,360.66x = 3,741,183,192.93
  5. Step 5: Solve for x
    x = 3,741,183,192.93/68,360.66
  6. Step 6: Final answer
    x = 54,727.14

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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.