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Finding the Fourth Proportional to 73,866.88, 101,944.32 and 45,571.84

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Solution

The fourth proportional to 73,866.88, 101,944.32 and 45,571.84 is: 62,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,866.88 : 101,944.32 = 45,571.84 : x
  2. Step 2: Convert to fraction form
    73,866.88/101,944.32 = 45,571.84/x
  3. Step 3: Cross multiply
    73,866.88x = 101,944.32 × 45,571.84
  4. Step 4: Simplify right side
    73,866.88x = 4,645,790,239.95
  5. Step 5: Solve for x
    x = 4,645,790,239.95/73,866.88
  6. Step 6: Final answer
    x = 62,894.09

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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.