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Finding the Fourth Proportional to 217,967.38, 326,957.22 and 60,195.84

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Solution

The fourth proportional to 217,967.38, 326,957.22 and 60,195.84 is: 90,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,967.38 : 326,957.22 = 60,195.84 : x
  2. Step 2: Convert to fraction form
    217,967.38/326,957.22 = 60,195.84/x
  3. Step 3: Cross multiply
    217,967.38x = 326,957.22 × 60,195.84
  4. Step 4: Simplify right side
    217,967.38x = 19,681,464,501.96
  5. Step 5: Solve for x
    x = 19,681,464,501.96/217,967.38
  6. Step 6: Final answer
    x = 90,295.46

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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.