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Finding the Fourth Proportional to 341,529.91, 512,319.46 and 131,167.84

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Solution

The fourth proportional to 341,529.91, 512,319.46 and 131,167.84 is: 196,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,529.91 : 512,319.46 = 131,167.84 : x
  2. Step 2: Convert to fraction form
    341,529.91/512,319.46 = 131,167.84/x
  3. Step 3: Cross multiply
    341,529.91x = 512,319.46 × 131,167.84
  4. Step 4: Simplify right side
    341,529.91x = 67,199,836,958.17
  5. Step 5: Solve for x
    x = 67,199,836,958.17/341,529.91
  6. Step 6: Final answer
    x = 196,761.21

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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.