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Finding the Fourth Proportional to 193,894.10, 290,972.45 and 67,535.47

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Solution

The fourth proportional to 193,894.10, 290,972.45 and 67,535.47 is: 101,348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,894.10 : 290,972.45 = 67,535.47 : x
  2. Step 2: Convert to fraction form
    193,894.10/290,972.45 = 67,535.47/x
  3. Step 3: Cross multiply
    193,894.10x = 290,972.45 × 67,535.47
  4. Step 4: Simplify right side
    193,894.10x = 19,650,961,700.36
  5. Step 5: Solve for x
    x = 19,650,961,700.36/193,894.10
  6. Step 6: Final answer
    x = 101,348.94

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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.