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Finding the Fourth Proportional to 194,250.49, 290,879.88 and 154,865.05

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Solution

The fourth proportional to 194,250.49, 290,879.88 and 154,865.05 is: 231,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,250.49 : 290,879.88 = 154,865.05 : x
  2. Step 2: Convert to fraction form
    194,250.49/290,879.88 = 154,865.05/x
  3. Step 3: Cross multiply
    194,250.49x = 290,879.88 × 154,865.05
  4. Step 4: Simplify right side
    194,250.49x = 45,047,127,160.19
  5. Step 5: Solve for x
    x = 45,047,127,160.19/194,250.49
  6. Step 6: Final answer
    x = 231,902.26

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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.