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Finding the Fourth Proportional to 234,230.80, 351,317.10 and 65,764.36

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Solution

The fourth proportional to 234,230.80, 351,317.10 and 65,764.36 is: 98,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,230.80 : 351,317.10 = 65,764.36 : x
  2. Step 2: Convert to fraction form
    234,230.80/351,317.10 = 65,764.36/x
  3. Step 3: Cross multiply
    234,230.80x = 351,317.10 × 65,764.36
  4. Step 4: Simplify right side
    234,230.80x = 23,104,144,238.56
  5. Step 5: Solve for x
    x = 23,104,144,238.56/234,230.80
  6. Step 6: Final answer
    x = 98,638.37

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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.