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Finding the Fourth Proportional to 217,903.66, 326,874.30 and 60,132.09

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Solution

The fourth proportional to 217,903.66, 326,874.30 and 60,132.09 is: 90,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,903.66 : 326,874.30 = 60,132.09 : x
  2. Step 2: Convert to fraction form
    217,903.66/326,874.30 = 60,132.09/x
  3. Step 3: Cross multiply
    217,903.66x = 326,874.30 × 60,132.09
  4. Step 4: Simplify right side
    217,903.66x = 19,655,634,826.29
  5. Step 5: Solve for x
    x = 19,655,634,826.29/217,903.66
  6. Step 6: Final answer
    x = 90,203.33

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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.