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Finding the Fourth Proportional to 257,682.87, 355,561.38 and 167,162.94

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Solution

The fourth proportional to 257,682.87, 355,561.38 and 167,162.94 is: 230,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,682.87 : 355,561.38 = 167,162.94 : x
  2. Step 2: Convert to fraction form
    257,682.87/355,561.38 = 167,162.94/x
  3. Step 3: Cross multiply
    257,682.87x = 355,561.38 × 167,162.94
  4. Step 4: Simplify right side
    257,682.87x = 59,436,685,631.26
  5. Step 5: Solve for x
    x = 59,436,685,631.26/257,682.87
  6. Step 6: Final answer
    x = 230,658.27

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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.