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Finding the Fourth Proportional to 171,950.20, 257,925.30 and 162,764.80

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Solution

The fourth proportional to 171,950.20, 257,925.30 and 162,764.80 is: 244,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,950.20 : 257,925.30 = 162,764.80 : x
  2. Step 2: Convert to fraction form
    171,950.20/257,925.30 = 162,764.80/x
  3. Step 3: Cross multiply
    171,950.20x = 257,925.30 × 162,764.80
  4. Step 4: Simplify right side
    171,950.20x = 41,981,159,869.44
  5. Step 5: Solve for x
    x = 41,981,159,869.44/171,950.20
  6. Step 6: Final answer
    x = 244,147.20

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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.