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Finding the Fourth Proportional to 217,246.20, 325,891.80 and 59,474.67

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Solution

The fourth proportional to 217,246.20, 325,891.80 and 59,474.67 is: 89,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,246.20 : 325,891.80 = 59,474.67 : x
  2. Step 2: Convert to fraction form
    217,246.20/325,891.80 = 59,474.67/x
  3. Step 3: Cross multiply
    217,246.20x = 325,891.80 × 59,474.67
  4. Step 4: Simplify right side
    217,246.20x = 19,382,307,260.71
  5. Step 5: Solve for x
    x = 19,382,307,260.71/217,246.20
  6. Step 6: Final answer
    x = 89,218.16

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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.