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Finding the Fourth Proportional to 234,885.88, 352,341.11 and 66,418.53

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Solution

The fourth proportional to 234,885.88, 352,341.11 and 66,418.53 is: 99,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,885.88 : 352,341.11 = 66,418.53 : x
  2. Step 2: Convert to fraction form
    234,885.88/352,341.11 = 66,418.53/x
  3. Step 3: Cross multiply
    234,885.88x = 352,341.11 × 66,418.53
  4. Step 4: Simplify right side
    234,885.88x = 23,401,978,584.77
  5. Step 5: Solve for x
    x = 23,401,978,584.77/234,885.88
  6. Step 6: Final answer
    x = 99,631.27

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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.