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Finding the Fourth Proportional to 194,373, 290,901.15 and 119,540.61

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Solution

The fourth proportional to 194,373, 290,901.15 and 119,540.61 is: 178,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,373 : 290,901.15 = 119,540.61 : x
  2. Step 2: Convert to fraction form
    194,373/290,901.15 = 119,540.61/x
  3. Step 3: Cross multiply
    194,373x = 290,901.15 × 119,540.61
  4. Step 4: Simplify right side
    194,373x = 34,774,500,920.70
  5. Step 5: Solve for x
    x = 34,774,500,920.70/194,373
  6. Step 6: Final answer
    x = 178,906.03

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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.