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Finding the Fourth Proportional to 307,732.67, 461,800.85 and 108,047.92

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Solution

The fourth proportional to 307,732.67, 461,800.85 and 108,047.92 is: 162,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,732.67 : 461,800.85 = 108,047.92 : x
  2. Step 2: Convert to fraction form
    307,732.67/461,800.85 = 108,047.92/x
  3. Step 3: Cross multiply
    307,732.67x = 461,800.85 × 108,047.92
  4. Step 4: Simplify right side
    307,732.67x = 49,896,619,601.99
  5. Step 5: Solve for x
    x = 49,896,619,601.99/307,732.67
  6. Step 6: Final answer
    x = 162,142.74

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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.