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Finding the Fourth Proportional to 73,159, 109,727.26 and 23,232.62

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Solution

The fourth proportional to 73,159, 109,727.26 and 23,232.62 is: 34,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,159 : 109,727.26 = 23,232.62 : x
  2. Step 2: Convert to fraction form
    73,159/109,727.26 = 23,232.62/x
  3. Step 3: Cross multiply
    73,159x = 109,727.26 × 23,232.62
  4. Step 4: Simplify right side
    73,159x = 2,549,251,735.22
  5. Step 5: Solve for x
    x = 2,549,251,735.22/73,159
  6. Step 6: Final answer
    x = 34,845.36

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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.