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Finding the Fourth Proportional to 193,755.88, 290,625.72 and 67,424.86

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Solution

The fourth proportional to 193,755.88, 290,625.72 and 67,424.86 is: 101,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,755.88 : 290,625.72 = 67,424.86 : x
  2. Step 2: Convert to fraction form
    193,755.88/290,625.72 = 67,424.86/x
  3. Step 3: Cross multiply
    193,755.88x = 290,625.72 × 67,424.86
  4. Step 4: Simplify right side
    193,755.88x = 19,595,398,483.40
  5. Step 5: Solve for x
    x = 19,595,398,483.40/193,755.88
  6. Step 6: Final answer
    x = 101,134.47

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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.