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Finding the Fourth Proportional to 73,469.37, 101,387.70 and 39,935.37

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Solution

The fourth proportional to 73,469.37, 101,387.70 and 39,935.37 is: 55,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,469.37 : 101,387.70 = 39,935.37 : x
  2. Step 2: Convert to fraction form
    73,469.37/101,387.70 = 39,935.37/x
  3. Step 3: Cross multiply
    73,469.37x = 101,387.70 × 39,935.37
  4. Step 4: Simplify right side
    73,469.37x = 4,048,955,312.95
  5. Step 5: Solve for x
    x = 4,048,955,312.95/73,469.37
  6. Step 6: Final answer
    x = 55,110.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.