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Finding the Fourth Proportional to 219,997.60, 329,996.40 and 158,250.40

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Solution

The fourth proportional to 219,997.60, 329,996.40 and 158,250.40 is: 237,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,997.60 : 329,996.40 = 158,250.40 : x
  2. Step 2: Convert to fraction form
    219,997.60/329,996.40 = 158,250.40/x
  3. Step 3: Cross multiply
    219,997.60x = 329,996.40 × 158,250.40
  4. Step 4: Simplify right side
    219,997.60x = 52,222,062,298.56
  5. Step 5: Solve for x
    x = 52,222,062,298.56/219,997.60
  6. Step 6: Final answer
    x = 237,375.60

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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.