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Finding the Fourth Proportional to 170,796.70, 255,611.85 and 156,799.90

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Solution

The fourth proportional to 170,796.70, 255,611.85 and 156,799.90 is: 234,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,796.70 : 255,611.85 = 156,799.90 : x
  2. Step 2: Convert to fraction form
    170,796.70/255,611.85 = 156,799.90/x
  3. Step 3: Cross multiply
    170,796.70x = 255,611.85 × 156,799.90
  4. Step 4: Simplify right side
    170,796.70x = 40,079,912,518.82
  5. Step 5: Solve for x
    x = 40,079,912,518.82/170,796.70
  6. Step 6: Final answer
    x = 234,664.44

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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.