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Finding the Fourth Proportional to 73,898.24, 101,982.10 and 43,709.42

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Solution

The fourth proportional to 73,898.24, 101,982.10 and 43,709.42 is: 60,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,898.24 : 101,982.10 = 43,709.42 : x
  2. Step 2: Convert to fraction form
    73,898.24/101,982.10 = 43,709.42/x
  3. Step 3: Cross multiply
    73,898.24x = 101,982.10 × 43,709.42
  4. Step 4: Simplify right side
    73,898.24x = 4,457,578,441.38
  5. Step 5: Solve for x
    x = 4,457,578,441.38/73,898.24
  6. Step 6: Final answer
    x = 60,320.50

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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.