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Finding the Fourth Proportional to 127,486.56, 191,229.84 and 33,992.64

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Solution

The fourth proportional to 127,486.56, 191,229.84 and 33,992.64 is: 50,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,486.56 : 191,229.84 = 33,992.64 : x
  2. Step 2: Convert to fraction form
    127,486.56/191,229.84 = 33,992.64/x
  3. Step 3: Cross multiply
    127,486.56x = 191,229.84 × 33,992.64
  4. Step 4: Simplify right side
    127,486.56x = 6,500,407,108.38
  5. Step 5: Solve for x
    x = 6,500,407,108.38/127,486.56
  6. Step 6: Final answer
    x = 50,988.96

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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.