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Finding the Fourth Proportional to 107,313.92, 160,916.80 and 37,174.40

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Solution

The fourth proportional to 107,313.92, 160,916.80 and 37,174.40 is: 55,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,313.92 : 160,916.80 = 37,174.40 : x
  2. Step 2: Convert to fraction form
    107,313.92/160,916.80 = 37,174.40/x
  3. Step 3: Cross multiply
    107,313.92x = 160,916.80 × 37,174.40
  4. Step 4: Simplify right side
    107,313.92x = 5,981,985,489.92
  5. Step 5: Solve for x
    x = 5,981,985,489.92/107,313.92
  6. Step 6: Final answer
    x = 55,742.87

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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.