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Finding the Fourth Proportional to 69,876.15, 104,820.30 and 22,496.01

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Solution

The fourth proportional to 69,876.15, 104,820.30 and 22,496.01 is: 33,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,876.15 : 104,820.30 = 22,496.01 : x
  2. Step 2: Convert to fraction form
    69,876.15/104,820.30 = 22,496.01/x
  3. Step 3: Cross multiply
    69,876.15x = 104,820.30 × 22,496.01
  4. Step 4: Simplify right side
    69,876.15x = 2,358,038,517.00
  5. Step 5: Solve for x
    x = 2,358,038,517.00/69,876.15
  6. Step 6: Final answer
    x = 33,745.97

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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.