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Finding the Fourth Proportional to 194,362.44, 290,885.30 and 119,530.04

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Solution

The fourth proportional to 194,362.44, 290,885.30 and 119,530.04 is: 178,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,362.44 : 290,885.30 = 119,530.04 : x
  2. Step 2: Convert to fraction form
    194,362.44/290,885.30 = 119,530.04/x
  3. Step 3: Cross multiply
    194,362.44x = 290,885.30 × 119,530.04
  4. Step 4: Simplify right side
    194,362.44x = 34,769,531,544.41
  5. Step 5: Solve for x
    x = 34,769,531,544.41/194,362.44
  6. Step 6: Final answer
    x = 178,890.18

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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.