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Finding the Fourth Proportional to 171,896.92, 258,265.71 and 162,337.19

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Solution

The fourth proportional to 171,896.92, 258,265.71 and 162,337.19 is: 243,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,896.92 : 258,265.71 = 162,337.19 : x
  2. Step 2: Convert to fraction form
    171,896.92/258,265.71 = 162,337.19/x
  3. Step 3: Cross multiply
    171,896.92x = 258,265.71 × 162,337.19
  4. Step 4: Simplify right side
    171,896.92x = 41,926,128,343.43
  5. Step 5: Solve for x
    x = 41,926,128,343.43/171,896.92
  6. Step 6: Final answer
    x = 243,902.74

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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.