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Finding the Fourth Proportional to 151,951.95, 227,908.08 and 39,640.59

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Solution

The fourth proportional to 151,951.95, 227,908.08 and 39,640.59 is: 59,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,951.95 : 227,908.08 = 39,640.59 : x
  2. Step 2: Convert to fraction form
    151,951.95/227,908.08 = 39,640.59/x
  3. Step 3: Cross multiply
    151,951.95x = 227,908.08 × 39,640.59
  4. Step 4: Simplify right side
    151,951.95x = 9,034,410,756.97
  5. Step 5: Solve for x
    x = 9,034,410,756.97/151,951.95
  6. Step 6: Final answer
    x = 59,455.71

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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.