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Finding the Fourth Proportional to 234,889.57, 352,290.07 and 66,408.56

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Solution

The fourth proportional to 234,889.57, 352,290.07 and 66,408.56 is: 99,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,889.57 : 352,290.07 = 66,408.56 : x
  2. Step 2: Convert to fraction form
    234,889.57/352,290.07 = 66,408.56/x
  3. Step 3: Cross multiply
    234,889.57x = 352,290.07 × 66,408.56
  4. Step 4: Simplify right side
    234,889.57x = 23,395,074,157.51
  5. Step 5: Solve for x
    x = 23,395,074,157.51/234,889.57
  6. Step 6: Final answer
    x = 99,600.31

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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.