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Finding the Fourth Proportional to 207,880.40, 311,129.40 and 182,997.20

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Solution

The fourth proportional to 207,880.40, 311,129.40 and 182,997.20 is: 273,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,880.40 : 311,129.40 = 182,997.20 : x
  2. Step 2: Convert to fraction form
    207,880.40/311,129.40 = 182,997.20/x
  3. Step 3: Cross multiply
    207,880.40x = 311,129.40 × 182,997.20
  4. Step 4: Simplify right side
    207,880.40x = 56,935,809,037.68
  5. Step 5: Solve for x
    x = 56,935,809,037.68/207,880.40
  6. Step 6: Final answer
    x = 273,887.34

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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.