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Finding the Fourth Proportional to 89,284.52, 133,926.78 and 33,880.52

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Solution

The fourth proportional to 89,284.52, 133,926.78 and 33,880.52 is: 50,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,284.52 : 133,926.78 = 33,880.52 : x
  2. Step 2: Convert to fraction form
    89,284.52/133,926.78 = 33,880.52/x
  3. Step 3: Cross multiply
    89,284.52x = 133,926.78 × 33,880.52
  4. Step 4: Simplify right side
    89,284.52x = 4,537,508,948.33
  5. Step 5: Solve for x
    x = 4,537,508,948.33/89,284.52
  6. Step 6: Final answer
    x = 50,820.78

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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.