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Finding the Fourth Proportional to 68,100.57, 102,160.44 and 23,720.91

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Solution

The fourth proportional to 68,100.57, 102,160.44 and 23,720.91 is: 35,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,100.57 : 102,160.44 = 23,720.91 : x
  2. Step 2: Convert to fraction form
    68,100.57/102,160.44 = 23,720.91/x
  3. Step 3: Cross multiply
    68,100.57x = 102,160.44 × 23,720.91
  4. Step 4: Simplify right side
    68,100.57x = 2,423,338,602.80
  5. Step 5: Solve for x
    x = 2,423,338,602.80/68,100.57
  6. Step 6: Final answer
    x = 35,584.70

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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.