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Finding the Fourth Proportional to 194,406.58, 290,951.49 and 119,574.12

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Solution

The fourth proportional to 194,406.58, 290,951.49 and 119,574.12 is: 178,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,406.58 : 290,951.49 = 119,574.12 : x
  2. Step 2: Convert to fraction form
    194,406.58/290,951.49 = 119,574.12/x
  3. Step 3: Cross multiply
    194,406.58x = 290,951.49 × 119,574.12
  4. Step 4: Simplify right side
    194,406.58x = 34,790,269,918.91
  5. Step 5: Solve for x
    x = 34,790,269,918.91/194,406.58
  6. Step 6: Final answer
    x = 178,956.24

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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.