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Finding the Fourth Proportional to 127,460.72, 191,190.36 and 44,354

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Solution

The fourth proportional to 127,460.72, 191,190.36 and 44,354 is: 66,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,460.72 : 191,190.36 = 44,354 : x
  2. Step 2: Convert to fraction form
    127,460.72/191,190.36 = 44,354/x
  3. Step 3: Cross multiply
    127,460.72x = 191,190.36 × 44,354
  4. Step 4: Simplify right side
    127,460.72x = 8,480,057,227.44
  5. Step 5: Solve for x
    x = 8,480,057,227.44/127,460.72
  6. Step 6: Final answer
    x = 66,530.75

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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.