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Finding the Fourth Proportional to 73,134.48, 109,611.96 and 41,570.96

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Solution

The fourth proportional to 73,134.48, 109,611.96 and 41,570.96 is: 62,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,134.48 : 109,611.96 = 41,570.96 : x
  2. Step 2: Convert to fraction form
    73,134.48/109,611.96 = 41,570.96/x
  3. Step 3: Cross multiply
    73,134.48x = 109,611.96 × 41,570.96
  4. Step 4: Simplify right side
    73,134.48x = 4,556,673,856.62
  5. Step 5: Solve for x
    x = 4,556,673,856.62/73,134.48
  6. Step 6: Final answer
    x = 62,305.41

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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.