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Finding the Fourth Proportional to 69,192.54, 103,771.53 and 22,458.78

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Solution

The fourth proportional to 69,192.54, 103,771.53 and 22,458.78 is: 33,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,192.54 : 103,771.53 = 22,458.78 : x
  2. Step 2: Convert to fraction form
    69,192.54/103,771.53 = 22,458.78/x
  3. Step 3: Cross multiply
    69,192.54x = 103,771.53 × 22,458.78
  4. Step 4: Simplify right side
    69,192.54x = 2,330,581,962.53
  5. Step 5: Solve for x
    x = 2,330,581,962.53/69,192.54
  6. Step 6: Final answer
    x = 33,682.56

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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.