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Finding the Fourth Proportional to 89,273.72, 133,918.44 and 33,114.44

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Solution

The fourth proportional to 89,273.72, 133,918.44 and 33,114.44 is: 49,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,273.72 : 133,918.44 = 33,114.44 : x
  2. Step 2: Convert to fraction form
    89,273.72/133,918.44 = 33,114.44/x
  3. Step 3: Cross multiply
    89,273.72x = 133,918.44 × 33,114.44
  4. Step 4: Simplify right side
    89,273.72x = 4,434,634,146.27
  5. Step 5: Solve for x
    x = 4,434,634,146.27/89,273.72
  6. Step 6: Final answer
    x = 49,674.58

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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.