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Finding the Fourth Proportional to 88,706.26, 122,414.52 and 66,064.60

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Solution

The fourth proportional to 88,706.26, 122,414.52 and 66,064.60 is: 91,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706.26 : 122,414.52 = 66,064.60 : x
  2. Step 2: Convert to fraction form
    88,706.26/122,414.52 = 66,064.60/x
  3. Step 3: Cross multiply
    88,706.26x = 122,414.52 × 66,064.60
  4. Step 4: Simplify right side
    88,706.26x = 8,087,266,297.99
  5. Step 5: Solve for x
    x = 8,087,266,297.99/88,706.26
  6. Step 6: Final answer
    x = 91,169.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.