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Finding the Fourth Proportional to 217,132.83, 325,683.60 and 67,369.27

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Solution

The fourth proportional to 217,132.83, 325,683.60 and 67,369.27 is: 101,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,132.83 : 325,683.60 = 67,369.27 : x
  2. Step 2: Convert to fraction form
    217,132.83/325,683.60 = 67,369.27/x
  3. Step 3: Cross multiply
    217,132.83x = 325,683.60 × 67,369.27
  4. Step 4: Simplify right side
    217,132.83x = 21,941,066,382.97
  5. Step 5: Solve for x
    x = 21,941,066,382.97/217,132.83
  6. Step 6: Final answer
    x = 101,049.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.