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Finding the Fourth Proportional to 68,585.91, 102,785.40 and 33,044.67

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Solution

The fourth proportional to 68,585.91, 102,785.40 and 33,044.67 is: 49,521.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,585.91 : 102,785.40 = 33,044.67 : x
  2. Step 2: Convert to fraction form
    68,585.91/102,785.40 = 33,044.67/x
  3. Step 3: Cross multiply
    68,585.91x = 102,785.40 × 33,044.67
  4. Step 4: Simplify right side
    68,585.91x = 3,396,509,623.82
  5. Step 5: Solve for x
    x = 3,396,509,623.82/68,585.91
  6. Step 6: Final answer
    x = 49,521.97

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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.