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Finding the Fourth Proportional to 167,317.20, 250,635.60 and 103,942.80

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Solution

The fourth proportional to 167,317.20, 250,635.60 and 103,942.80 is: 155,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,317.20 : 250,635.60 = 103,942.80 : x
  2. Step 2: Convert to fraction form
    167,317.20/250,635.60 = 103,942.80/x
  3. Step 3: Cross multiply
    167,317.20x = 250,635.60 × 103,942.80
  4. Step 4: Simplify right side
    167,317.20x = 26,051,766,043.68
  5. Step 5: Solve for x
    x = 26,051,766,043.68/167,317.20
  6. Step 6: Final answer
    x = 155,702.86

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1.5x scale

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.