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Finding the Fourth Proportional to 69,540.76, 104,284.95 and 25,156.54

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Solution

The fourth proportional to 69,540.76, 104,284.95 and 25,156.54 is: 37,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,540.76 : 104,284.95 = 25,156.54 : x
  2. Step 2: Convert to fraction form
    69,540.76/104,284.95 = 25,156.54/x
  3. Step 3: Cross multiply
    69,540.76x = 104,284.95 × 25,156.54
  4. Step 4: Simplify right side
    69,540.76x = 2,623,448,516.07
  5. Step 5: Solve for x
    x = 2,623,448,516.07/69,540.76
  6. Step 6: Final answer
    x = 37,725.34

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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.