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Finding the Fourth Proportional to 69,282.49, 103,664.22 and 49,338.07

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Solution

The fourth proportional to 69,282.49, 103,664.22 and 49,338.07 is: 73,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,282.49 : 103,664.22 = 49,338.07 : x
  2. Step 2: Convert to fraction form
    69,282.49/103,664.22 = 49,338.07/x
  3. Step 3: Cross multiply
    69,282.49x = 103,664.22 × 49,338.07
  4. Step 4: Simplify right side
    69,282.49x = 5,114,592,542.86
  5. Step 5: Solve for x
    x = 5,114,592,542.86/69,282.49
  6. Step 6: Final answer
    x = 73,822.30

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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.