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Finding the Fourth Proportional to 69,984.52, 104,234.48 and 69,645.52

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Solution

The fourth proportional to 69,984.52, 104,234.48 and 69,645.52 is: 103,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984.52 : 104,234.48 = 69,645.52 : x
  2. Step 2: Convert to fraction form
    69,984.52/104,234.48 = 69,645.52/x
  3. Step 3: Cross multiply
    69,984.52x = 104,234.48 × 69,645.52
  4. Step 4: Simplify right side
    69,984.52x = 7,259,464,561.53
  5. Step 5: Solve for x
    x = 7,259,464,561.53/69,984.52
  6. Step 6: Final answer
    x = 103,729.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.