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Finding the Fourth Proportional to 71,768.94, 99,089.91 and 44,922.30

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Solution

The fourth proportional to 71,768.94, 99,089.91 and 44,922.30 is: 62,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,768.94 : 99,089.91 = 44,922.30 : x
  2. Step 2: Convert to fraction form
    71,768.94/99,089.91 = 44,922.30/x
  3. Step 3: Cross multiply
    71,768.94x = 99,089.91 × 44,922.30
  4. Step 4: Simplify right side
    71,768.94x = 4,451,346,663.99
  5. Step 5: Solve for x
    x = 4,451,346,663.99/71,768.94
  6. Step 6: Final answer
    x = 62,023.30

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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.