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Finding the Fourth Proportional to 73,912.91, 101,879.98 and 57,751.95

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Solution

The fourth proportional to 73,912.91, 101,879.98 and 57,751.95 is: 79,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,912.91 : 101,879.98 = 57,751.95 : x
  2. Step 2: Convert to fraction form
    73,912.91/101,879.98 = 57,751.95/x
  3. Step 3: Cross multiply
    73,912.91x = 101,879.98 × 57,751.95
  4. Step 4: Simplify right side
    73,912.91x = 5,883,767,748.63
  5. Step 5: Solve for x
    x = 5,883,767,748.63/73,912.91
  6. Step 6: Final answer
    x = 79,604.07

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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.