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Finding the Fourth Proportional to 203,951.70, 305,733.15 and 158,948.10

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Solution

The fourth proportional to 203,951.70, 305,733.15 and 158,948.10 is: 238,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,951.70 : 305,733.15 = 158,948.10 : x
  2. Step 2: Convert to fraction form
    203,951.70/305,733.15 = 158,948.10/x
  3. Step 3: Cross multiply
    203,951.70x = 305,733.15 × 158,948.10
  4. Step 4: Simplify right side
    203,951.70x = 48,595,703,299.52
  5. Step 5: Solve for x
    x = 48,595,703,299.52/203,951.70
  6. Step 6: Final answer
    x = 238,270.65

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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.