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Finding the Fourth Proportional to 79,814.76, 119,680.14 and 35,422.44

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Solution

The fourth proportional to 79,814.76, 119,680.14 and 35,422.44 is: 53,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,814.76 : 119,680.14 = 35,422.44 : x
  2. Step 2: Convert to fraction form
    79,814.76/119,680.14 = 35,422.44/x
  3. Step 3: Cross multiply
    79,814.76x = 119,680.14 × 35,422.44
  4. Step 4: Simplify right side
    79,814.76x = 4,239,362,578.34
  5. Step 5: Solve for x
    x = 4,239,362,578.34/79,814.76
  6. Step 6: Final answer
    x = 53,115.02

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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.