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Finding the Fourth Proportional to 69,880.44, 104,838 and 23,138.04

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Solution

The fourth proportional to 69,880.44, 104,838 and 23,138.04 is: 34,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,880.44 : 104,838 = 23,138.04 : x
  2. Step 2: Convert to fraction form
    69,880.44/104,838 = 23,138.04/x
  3. Step 3: Cross multiply
    69,880.44x = 104,838 × 23,138.04
  4. Step 4: Simplify right side
    69,880.44x = 2,425,745,837.52
  5. Step 5: Solve for x
    x = 2,425,745,837.52/69,880.44
  6. Step 6: Final answer
    x = 34,712.80

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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.