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Finding the Fourth Proportional to 69,376.68, 95,739.30 and 54,284.76

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Solution

The fourth proportional to 69,376.68, 95,739.30 and 54,284.76 is: 74,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,376.68 : 95,739.30 = 54,284.76 : x
  2. Step 2: Convert to fraction form
    69,376.68/95,739.30 = 54,284.76/x
  3. Step 3: Cross multiply
    69,376.68x = 95,739.30 × 54,284.76
  4. Step 4: Simplify right side
    69,376.68x = 5,197,184,923.07
  5. Step 5: Solve for x
    x = 5,197,184,923.07/69,376.68
  6. Step 6: Final answer
    x = 74,912.56

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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.