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Finding the Fourth Proportional to 69,486.32, 104,163.96 and 22,706.48

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Solution

The fourth proportional to 69,486.32, 104,163.96 and 22,706.48 is: 34,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,486.32 : 104,163.96 = 22,706.48 : x
  2. Step 2: Convert to fraction form
    69,486.32/104,163.96 = 22,706.48/x
  3. Step 3: Cross multiply
    69,486.32x = 104,163.96 × 22,706.48
  4. Step 4: Simplify right side
    69,486.32x = 2,365,196,874.46
  5. Step 5: Solve for x
    x = 2,365,196,874.46/69,486.32
  6. Step 6: Final answer
    x = 34,038.31

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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.