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Finding the Fourth Proportional to 193,591, 290,397.44 and 68,932

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Solution

The fourth proportional to 193,591, 290,397.44 and 68,932 is: 103,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,591 : 290,397.44 = 68,932 : x
  2. Step 2: Convert to fraction form
    193,591/290,397.44 = 68,932/x
  3. Step 3: Cross multiply
    193,591x = 290,397.44 × 68,932
  4. Step 4: Simplify right side
    193,591x = 20,017,676,334.08
  5. Step 5: Solve for x
    x = 20,017,676,334.08/193,591
  6. Step 6: Final answer
    x = 103,401.90

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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.