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Finding the Fourth Proportional to 92,486.36, 127,631.76 and 50,044.80

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Solution

The fourth proportional to 92,486.36, 127,631.76 and 50,044.80 is: 69,062.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,486.36 : 127,631.76 = 50,044.80 : x
  2. Step 2: Convert to fraction form
    92,486.36/127,631.76 = 50,044.80/x
  3. Step 3: Cross multiply
    92,486.36x = 127,631.76 × 50,044.80
  4. Step 4: Simplify right side
    92,486.36x = 6,387,305,902.85
  5. Step 5: Solve for x
    x = 6,387,305,902.85/92,486.36
  6. Step 6: Final answer
    x = 69,062.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.