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Finding the Fourth Proportional to 127,805.20, 191,706.84 and 33,027.28

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Solution

The fourth proportional to 127,805.20, 191,706.84 and 33,027.28 is: 49,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,805.20 : 191,706.84 = 33,027.28 : x
  2. Step 2: Convert to fraction form
    127,805.20/191,706.84 = 33,027.28/x
  3. Step 3: Cross multiply
    127,805.20x = 191,706.84 × 33,027.28
  4. Step 4: Simplify right side
    127,805.20x = 6,331,555,482.60
  5. Step 5: Solve for x
    x = 6,331,555,482.60/127,805.20
  6. Step 6: Final answer
    x = 49,540.67

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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.