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Finding the Fourth Proportional to 92,173.44, 127,238.67 and 61,976.27

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Solution

The fourth proportional to 92,173.44, 127,238.67 and 61,976.27 is: 85,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,173.44 : 127,238.67 = 61,976.27 : x
  2. Step 2: Convert to fraction form
    92,173.44/127,238.67 = 61,976.27/x
  3. Step 3: Cross multiply
    92,173.44x = 127,238.67 × 61,976.27
  4. Step 4: Simplify right side
    92,173.44x = 7,885,777,220.29
  5. Step 5: Solve for x
    x = 7,885,777,220.29/92,173.44
  6. Step 6: Final answer
    x = 85,553.68

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1.5x scale

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.