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Finding the Fourth Proportional to 122,597.78, 183,896.30 and 32,640.48

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Solution

The fourth proportional to 122,597.78, 183,896.30 and 32,640.48 is: 48,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,597.78 : 183,896.30 = 32,640.48 : x
  2. Step 2: Convert to fraction form
    122,597.78/183,896.30 = 32,640.48/x
  3. Step 3: Cross multiply
    122,597.78x = 183,896.30 × 32,640.48
  4. Step 4: Simplify right side
    122,597.78x = 6,002,463,339.02
  5. Step 5: Solve for x
    x = 6,002,463,339.02/122,597.78
  6. Step 6: Final answer
    x = 48,960.62

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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.