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Finding the Fourth Proportional to 69,260.87, 103,771.94 and 54,094.03

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Solution

The fourth proportional to 69,260.87, 103,771.94 and 54,094.03 is: 81,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,260.87 : 103,771.94 = 54,094.03 : x
  2. Step 2: Convert to fraction form
    69,260.87/103,771.94 = 54,094.03/x
  3. Step 3: Cross multiply
    69,260.87x = 103,771.94 × 54,094.03
  4. Step 4: Simplify right side
    69,260.87x = 5,613,441,905.62
  5. Step 5: Solve for x
    x = 5,613,441,905.62/69,260.87
  6. Step 6: Final answer
    x = 81,047.81

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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.