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Finding the Fourth Proportional to 127,376.16, 191,063.97 and 33,881.91

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Solution

The fourth proportional to 127,376.16, 191,063.97 and 33,881.91 is: 50,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,376.16 : 191,063.97 = 33,881.91 : x
  2. Step 2: Convert to fraction form
    127,376.16/191,063.97 = 33,881.91/x
  3. Step 3: Cross multiply
    127,376.16x = 191,063.97 × 33,881.91
  4. Step 4: Simplify right side
    127,376.16x = 6,473,612,235.78
  5. Step 5: Solve for x
    x = 6,473,612,235.78/127,376.16
  6. Step 6: Final answer
    x = 50,822.79

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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.