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Finding the Fourth Proportional to 171,367.20, 257,050.80 and 111,232.80

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Solution

The fourth proportional to 171,367.20, 257,050.80 and 111,232.80 is: 166,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,367.20 : 257,050.80 = 111,232.80 : x
  2. Step 2: Convert to fraction form
    171,367.20/257,050.80 = 111,232.80/x
  3. Step 3: Cross multiply
    171,367.20x = 257,050.80 × 111,232.80
  4. Step 4: Simplify right side
    171,367.20x = 28,592,480,226.24
  5. Step 5: Solve for x
    x = 28,592,480,226.24/171,367.20
  6. Step 6: Final answer
    x = 166,849.20

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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.