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Finding the Fourth Proportional to 69,711.16, 104,481.08 and 32,220.51

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Solution

The fourth proportional to 69,711.16, 104,481.08 and 32,220.51 is: 48,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,711.16 : 104,481.08 = 32,220.51 : x
  2. Step 2: Convert to fraction form
    69,711.16/104,481.08 = 32,220.51/x
  3. Step 3: Cross multiply
    69,711.16x = 104,481.08 × 32,220.51
  4. Step 4: Simplify right side
    69,711.16x = 3,366,433,521.85
  5. Step 5: Solve for x
    x = 3,366,433,521.85/69,711.16
  6. Step 6: Final answer
    x = 48,291.17

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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.