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Finding the Fourth Proportional to 89,254.50, 133,881.78 and 33,850.50

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Solution

The fourth proportional to 89,254.50, 133,881.78 and 33,850.50 is: 50,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,254.50 : 133,881.78 = 33,850.50 : x
  2. Step 2: Convert to fraction form
    89,254.50/133,881.78 = 33,850.50/x
  3. Step 3: Cross multiply
    89,254.50x = 133,881.78 × 33,850.50
  4. Step 4: Simplify right side
    89,254.50x = 4,531,965,193.89
  5. Step 5: Solve for x
    x = 4,531,965,193.89/89,254.50
  6. Step 6: Final answer
    x = 50,775.76

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1.5x scale

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.