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Finding the Fourth Proportional to 79,773.52, 119,529.06 and 63,239.80

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Solution

The fourth proportional to 79,773.52, 119,529.06 and 63,239.80 is: 94,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,773.52 : 119,529.06 = 63,239.80 : x
  2. Step 2: Convert to fraction form
    79,773.52/119,529.06 = 63,239.80/x
  3. Step 3: Cross multiply
    79,773.52x = 119,529.06 × 63,239.80
  4. Step 4: Simplify right side
    79,773.52x = 7,558,993,848.59
  5. Step 5: Solve for x
    x = 7,558,993,848.59/79,773.52
  6. Step 6: Final answer
    x = 94,755.68

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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.