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Finding the Fourth Proportional to 204,080.76, 306,126.90 and 56,336.76

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Solution

The fourth proportional to 204,080.76, 306,126.90 and 56,336.76 is: 84,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,080.76 : 306,126.90 = 56,336.76 : x
  2. Step 2: Convert to fraction form
    204,080.76/306,126.90 = 56,336.76/x
  3. Step 3: Cross multiply
    204,080.76x = 306,126.90 × 56,336.76
  4. Step 4: Simplify right side
    204,080.76x = 17,246,197,694.84
  5. Step 5: Solve for x
    x = 17,246,197,694.84/204,080.76
  6. Step 6: Final answer
    x = 84,506.73

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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.