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Finding the Fourth Proportional to 235,321.99, 352,991.30 and 75,377.14

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Solution

The fourth proportional to 235,321.99, 352,991.30 and 75,377.14 is: 113,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,321.99 : 352,991.30 = 75,377.14 : x
  2. Step 2: Convert to fraction form
    235,321.99/352,991.30 = 75,377.14/x
  3. Step 3: Cross multiply
    235,321.99x = 352,991.30 × 75,377.14
  4. Step 4: Simplify right side
    235,321.99x = 26,607,474,638.88
  5. Step 5: Solve for x
    x = 26,607,474,638.88/235,321.99
  6. Step 6: Final answer
    x = 113,068.37

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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.