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Finding the Fourth Proportional to 69,960.80, 104,914.08 and 23,201.12

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Solution

The fourth proportional to 69,960.80, 104,914.08 and 23,201.12 is: 34,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,960.80 : 104,914.08 = 23,201.12 : x
  2. Step 2: Convert to fraction form
    69,960.80/104,914.08 = 23,201.12/x
  3. Step 3: Cross multiply
    69,960.80x = 104,914.08 × 23,201.12
  4. Step 4: Simplify right side
    69,960.80x = 2,434,124,159.77
  5. Step 5: Solve for x
    x = 2,434,124,159.77/69,960.80
  6. Step 6: Final answer
    x = 34,792.69

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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.