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Finding the Fourth Proportional to 69,854.18, 104,796.90 and 25,480.94

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Solution

The fourth proportional to 69,854.18, 104,796.90 and 25,480.94 is: 38,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,854.18 : 104,796.90 = 25,480.94 : x
  2. Step 2: Convert to fraction form
    69,854.18/104,796.90 = 25,480.94/x
  3. Step 3: Cross multiply
    69,854.18x = 104,796.90 × 25,480.94
  4. Step 4: Simplify right side
    69,854.18x = 2,670,322,997.10
  5. Step 5: Solve for x
    x = 2,670,322,997.10/69,854.18
  6. Step 6: Final answer
    x = 38,227.10

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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.