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Finding the Fourth Proportional to 79,035.52, 109,175.52 and 63,232.96

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Solution

The fourth proportional to 79,035.52, 109,175.52 and 63,232.96 is: 87,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,035.52 : 109,175.52 = 63,232.96 : x
  2. Step 2: Convert to fraction form
    79,035.52/109,175.52 = 63,232.96/x
  3. Step 3: Cross multiply
    79,035.52x = 109,175.52 × 63,232.96
  4. Step 4: Simplify right side
    79,035.52x = 6,903,491,289.14
  5. Step 5: Solve for x
    x = 6,903,491,289.14/79,035.52
  6. Step 6: Final answer
    x = 87,346.69

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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.