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Finding the Fourth Proportional to 69,346.98, 95,796.81 and 55,181.70

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Solution

The fourth proportional to 69,346.98, 95,796.81 and 55,181.70 is: 76,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,346.98 : 95,796.81 = 55,181.70 : x
  2. Step 2: Convert to fraction form
    69,346.98/95,796.81 = 55,181.70/x
  3. Step 3: Cross multiply
    69,346.98x = 95,796.81 × 55,181.70
  4. Step 4: Simplify right side
    69,346.98x = 5,286,230,830.38
  5. Step 5: Solve for x
    x = 5,286,230,830.38/69,346.98
  6. Step 6: Final answer
    x = 76,228.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.