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Finding the Fourth Proportional to 234,472.27, 351,707.49 and 56,979.81

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Solution

The fourth proportional to 234,472.27, 351,707.49 and 56,979.81 is: 85,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,472.27 : 351,707.49 = 56,979.81 : x
  2. Step 2: Convert to fraction form
    234,472.27/351,707.49 = 56,979.81/x
  3. Step 3: Cross multiply
    234,472.27x = 351,707.49 × 56,979.81
  4. Step 4: Simplify right side
    234,472.27x = 20,040,225,955.78
  5. Step 5: Solve for x
    x = 20,040,225,955.78/234,472.27
  6. Step 6: Final answer
    x = 85,469.49

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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.