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Finding the Fourth Proportional to 79,299.30, 109,425.32 and 47,467.50

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Solution

The fourth proportional to 79,299.30, 109,425.32 and 47,467.50 is: 65,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,299.30 : 109,425.32 = 47,467.50 : x
  2. Step 2: Convert to fraction form
    79,299.30/109,425.32 = 47,467.50/x
  3. Step 3: Cross multiply
    79,299.30x = 109,425.32 × 47,467.50
  4. Step 4: Simplify right side
    79,299.30x = 5,194,146,377.10
  5. Step 5: Solve for x
    x = 5,194,146,377.10/79,299.30
  6. Step 6: Final answer
    x = 65,500.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.