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Finding the Fourth Proportional to 69,157.44, 103,670.55 and 34,056.09

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Solution

The fourth proportional to 69,157.44, 103,670.55 and 34,056.09 is: 51,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,157.44 : 103,670.55 = 34,056.09 : x
  2. Step 2: Convert to fraction form
    69,157.44/103,670.55 = 34,056.09/x
  3. Step 3: Cross multiply
    69,157.44x = 103,670.55 × 34,056.09
  4. Step 4: Simplify right side
    69,157.44x = 3,530,613,581.15
  5. Step 5: Solve for x
    x = 3,530,613,581.15/69,157.44
  6. Step 6: Final answer
    x = 51,051.83

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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.