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Finding the Fourth Proportional to 79,650.30, 119,491.79 and 66,593.91

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Solution

The fourth proportional to 79,650.30, 119,491.79 and 66,593.91 is: 99,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,650.30 : 119,491.79 = 66,593.91 : x
  2. Step 2: Convert to fraction form
    79,650.30/119,491.79 = 66,593.91/x
  3. Step 3: Cross multiply
    79,650.30x = 119,491.79 × 66,593.91
  4. Step 4: Simplify right side
    79,650.30x = 7,957,425,509.00
  5. Step 5: Solve for x
    x = 7,957,425,509.00/79,650.30
  6. Step 6: Final answer
    x = 99,904.53

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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.