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Finding the Fourth Proportional to 69,894.71, 104,858.46 and 23,147.60

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Solution

The fourth proportional to 69,894.71, 104,858.46 and 23,147.60 is: 34,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894.71 : 104,858.46 = 23,147.60 : x
  2. Step 2: Convert to fraction form
    69,894.71/104,858.46 = 23,147.60/x
  3. Step 3: Cross multiply
    69,894.71x = 104,858.46 × 23,147.60
  4. Step 4: Simplify right side
    69,894.71x = 2,427,221,688.70
  5. Step 5: Solve for x
    x = 2,427,221,688.70/69,894.71
  6. Step 6: Final answer
    x = 34,726.83

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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.