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Finding the Fourth Proportional to 296,043.85, 443,887.92 and 135,919.40

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Solution

The fourth proportional to 296,043.85, 443,887.92 and 135,919.40 is: 203,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,043.85 : 443,887.92 = 135,919.40 : x
  2. Step 2: Convert to fraction form
    296,043.85/443,887.92 = 135,919.40/x
  3. Step 3: Cross multiply
    296,043.85x = 443,887.92 × 135,919.40
  4. Step 4: Simplify right side
    296,043.85x = 60,332,980,863.37
  5. Step 5: Solve for x
    x = 60,332,980,863.37/296,043.85
  6. Step 6: Final answer
    x = 203,797.45

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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.