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Finding the Fourth Proportional to 127,011.33, 190,524.44 and 42,764.44

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Solution

The fourth proportional to 127,011.33, 190,524.44 and 42,764.44 is: 64,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,011.33 : 190,524.44 = 42,764.44 : x
  2. Step 2: Convert to fraction form
    127,011.33/190,524.44 = 42,764.44/x
  3. Step 3: Cross multiply
    127,011.33x = 190,524.44 × 42,764.44
  4. Step 4: Simplify right side
    127,011.33x = 8,147,670,982.91
  5. Step 5: Solve for x
    x = 8,147,670,982.91/127,011.33
  6. Step 6: Final answer
    x = 64,149.17

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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.