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Finding the Fourth Proportional to 79,898.87, 119,733.23 and 54,967.07

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Solution

The fourth proportional to 79,898.87, 119,733.23 and 54,967.07 is: 82,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,898.87 : 119,733.23 = 54,967.07 : x
  2. Step 2: Convert to fraction form
    79,898.87/119,733.23 = 54,967.07/x
  3. Step 3: Cross multiply
    79,898.87x = 119,733.23 × 54,967.07
  4. Step 4: Simplify right side
    79,898.87x = 6,581,384,373.49
  5. Step 5: Solve for x
    x = 6,581,384,373.49/79,898.87
  6. Step 6: Final answer
    x = 82,371.44

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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.