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Finding the Fourth Proportional to 159,749.44, 239,622.72 and 61,253.44

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Solution

The fourth proportional to 159,749.44, 239,622.72 and 61,253.44 is: 91,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,749.44 : 239,622.72 = 61,253.44 : x
  2. Step 2: Convert to fraction form
    159,749.44/239,622.72 = 61,253.44/x
  3. Step 3: Cross multiply
    159,749.44x = 239,622.72 × 61,253.44
  4. Step 4: Simplify right side
    159,749.44x = 14,677,715,902.16
  5. Step 5: Solve for x
    x = 14,677,715,902.16/159,749.44
  6. Step 6: Final answer
    x = 91,879.61

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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.