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Finding the Fourth Proportional to 204,513.70, 306,770.55 and 64,272.10

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Solution

The fourth proportional to 204,513.70, 306,770.55 and 64,272.10 is: 96,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,513.70 : 306,770.55 = 64,272.10 : x
  2. Step 2: Convert to fraction form
    204,513.70/306,770.55 = 64,272.10/x
  3. Step 3: Cross multiply
    204,513.70x = 306,770.55 × 64,272.10
  4. Step 4: Simplify right side
    204,513.70x = 19,716,787,466.66
  5. Step 5: Solve for x
    x = 19,716,787,466.66/204,513.70
  6. Step 6: Final answer
    x = 96,408.15

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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.