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Finding the Fourth Proportional to 167,998.60, 251,997.90 and 148,315.60

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Solution

The fourth proportional to 167,998.60, 251,997.90 and 148,315.60 is: 222,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,998.60 : 251,997.90 = 148,315.60 : x
  2. Step 2: Convert to fraction form
    167,998.60/251,997.90 = 148,315.60/x
  3. Step 3: Cross multiply
    167,998.60x = 251,997.90 × 148,315.60
  4. Step 4: Simplify right side
    167,998.60x = 37,375,219,737.24
  5. Step 5: Solve for x
    x = 37,375,219,737.24/167,998.60
  6. Step 6: Final answer
    x = 222,473.40

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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.