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Finding the Fourth Proportional to 80,214.44, 120,321.10 and 62,699

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Solution

The fourth proportional to 80,214.44, 120,321.10 and 62,699 is: 94,048.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,214.44 : 120,321.10 = 62,699 : x
  2. Step 2: Convert to fraction form
    80,214.44/120,321.10 = 62,699/x
  3. Step 3: Cross multiply
    80,214.44x = 120,321.10 × 62,699
  4. Step 4: Simplify right side
    80,214.44x = 7,544,012,648.90
  5. Step 5: Solve for x
    x = 7,544,012,648.90/80,214.44
  6. Step 6: Final answer
    x = 94,048.06

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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.