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Finding the Fourth Proportional to 234,403.66, 351,615.18 and 68,191.66

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Solution

The fourth proportional to 234,403.66, 351,615.18 and 68,191.66 is: 102,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,403.66 : 351,615.18 = 68,191.66 : x
  2. Step 2: Convert to fraction form
    234,403.66/351,615.18 = 68,191.66/x
  3. Step 3: Cross multiply
    234,403.66x = 351,615.18 × 68,191.66
  4. Step 4: Simplify right side
    234,403.66x = 23,977,222,805.40
  5. Step 5: Solve for x
    x = 23,977,222,805.40/234,403.66
  6. Step 6: Final answer
    x = 102,290.31

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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.