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Finding the Fourth Proportional to 73,296.99, 109,934.10 and 28,311.89

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Solution

The fourth proportional to 73,296.99, 109,934.10 and 28,311.89 is: 42,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,296.99 : 109,934.10 = 28,311.89 : x
  2. Step 2: Convert to fraction form
    73,296.99/109,934.10 = 28,311.89/x
  3. Step 3: Cross multiply
    73,296.99x = 109,934.10 × 28,311.89
  4. Step 4: Simplify right side
    73,296.99x = 3,112,441,596.78
  5. Step 5: Solve for x
    x = 3,112,441,596.78/73,296.99
  6. Step 6: Final answer
    x = 42,463.43

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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.