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Finding the Fourth Proportional to 89,168.54, 133,770.30 and 33,009.08

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Solution

The fourth proportional to 89,168.54, 133,770.30 and 33,009.08 is: 49,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,168.54 : 133,770.30 = 33,009.08 : x
  2. Step 2: Convert to fraction form
    89,168.54/133,770.30 = 33,009.08/x
  3. Step 3: Cross multiply
    89,168.54x = 133,770.30 × 33,009.08
  4. Step 4: Simplify right side
    89,168.54x = 4,415,634,369.28
  5. Step 5: Solve for x
    x = 4,415,634,369.28/89,168.54
  6. Step 6: Final answer
    x = 49,520.09

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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.