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Finding the Fourth Proportional to 217,804.88, 326,723.73 and 60,031.97

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Solution

The fourth proportional to 217,804.88, 326,723.73 and 60,031.97 is: 90,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,804.88 : 326,723.73 = 60,031.97 : x
  2. Step 2: Convert to fraction form
    217,804.88/326,723.73 = 60,031.97/x
  3. Step 3: Cross multiply
    217,804.88x = 326,723.73 × 60,031.97
  4. Step 4: Simplify right side
    217,804.88x = 19,613,868,524.12
  5. Step 5: Solve for x
    x = 19,613,868,524.12/217,804.88
  6. Step 6: Final answer
    x = 90,052.47

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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.