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Finding the Fourth Proportional to 217,087.06, 325,677.30 and 67,324.30

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Solution

The fourth proportional to 217,087.06, 325,677.30 and 67,324.30 is: 101,000.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,087.06 : 325,677.30 = 67,324.30 : x
  2. Step 2: Convert to fraction form
    217,087.06/325,677.30 = 67,324.30/x
  3. Step 3: Cross multiply
    217,087.06x = 325,677.30 × 67,324.30
  4. Step 4: Simplify right side
    217,087.06x = 21,925,996,248.39
  5. Step 5: Solve for x
    x = 21,925,996,248.39/217,087.06
  6. Step 6: Final answer
    x = 101,000.94

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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.