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Finding the Fourth Proportional to 69,706.67, 104,559.08 and 17,116.61

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Solution

The fourth proportional to 69,706.67, 104,559.08 and 17,116.61 is: 25,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,706.67 : 104,559.08 = 17,116.61 : x
  2. Step 2: Convert to fraction form
    69,706.67/104,559.08 = 17,116.61/x
  3. Step 3: Cross multiply
    69,706.67x = 104,559.08 × 17,116.61
  4. Step 4: Simplify right side
    69,706.67x = 1,789,696,385.94
  5. Step 5: Solve for x
    x = 1,789,696,385.94/69,706.67
  6. Step 6: Final answer
    x = 25,674.68

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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.