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Finding the Fourth Proportional to 217,232.52, 325,899.78 and 67,465.08

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Solution

The fourth proportional to 217,232.52, 325,899.78 and 67,465.08 is: 101,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,232.52 : 325,899.78 = 67,465.08 : x
  2. Step 2: Convert to fraction form
    217,232.52/325,899.78 = 67,465.08/x
  3. Step 3: Cross multiply
    217,232.52x = 325,899.78 × 67,465.08
  4. Step 4: Simplify right side
    217,232.52x = 21,986,854,729.68
  5. Step 5: Solve for x
    x = 21,986,854,729.68/217,232.52
  6. Step 6: Final answer
    x = 101,213.46

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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.