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Finding the Fourth Proportional to 217,132.52, 325,217.58 and 166,842.44

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Solution

The fourth proportional to 217,132.52, 325,217.58 and 166,842.44 is: 249,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,132.52 : 325,217.58 = 166,842.44 : x
  2. Step 2: Convert to fraction form
    217,132.52/325,217.58 = 166,842.44/x
  3. Step 3: Cross multiply
    217,132.52x = 325,217.58 × 166,842.44
  4. Step 4: Simplify right side
    217,132.52x = 54,260,094,578.10
  5. Step 5: Solve for x
    x = 54,260,094,578.10/217,132.52
  6. Step 6: Final answer
    x = 249,893.91

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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.