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Finding the Fourth Proportional to 69,487.75, 104,230.52 and 22,102.16

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Solution

The fourth proportional to 69,487.75, 104,230.52 and 22,102.16 is: 33,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,487.75 : 104,230.52 = 22,102.16 : x
  2. Step 2: Convert to fraction form
    69,487.75/104,230.52 = 22,102.16/x
  3. Step 3: Cross multiply
    69,487.75x = 104,230.52 × 22,102.16
  4. Step 4: Simplify right side
    69,487.75x = 2,303,719,629.92
  5. Step 5: Solve for x
    x = 2,303,719,629.92/69,487.75
  6. Step 6: Final answer
    x = 33,152.89

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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.