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Finding the Fourth Proportional to 135,951.70, 203,927.55 and 102,774.10

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Solution

The fourth proportional to 135,951.70, 203,927.55 and 102,774.10 is: 154,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,951.70 : 203,927.55 = 102,774.10 : x
  2. Step 2: Convert to fraction form
    135,951.70/203,927.55 = 102,774.10/x
  3. Step 3: Cross multiply
    135,951.70x = 203,927.55 × 102,774.10
  4. Step 4: Simplify right side
    135,951.70x = 20,958,470,416.46
  5. Step 5: Solve for x
    x = 20,958,470,416.46/135,951.70
  6. Step 6: Final answer
    x = 154,161.15

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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.