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Finding the Fourth Proportional to 92,173.33, 138,313.66 and 38,861.97

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Solution

The fourth proportional to 92,173.33, 138,313.66 and 38,861.97 is: 58,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,173.33 : 138,313.66 = 38,861.97 : x
  2. Step 2: Convert to fraction form
    92,173.33/138,313.66 = 38,861.97/x
  3. Step 3: Cross multiply
    92,173.33x = 138,313.66 × 38,861.97
  4. Step 4: Simplify right side
    92,173.33x = 5,375,141,305.51
  5. Step 5: Solve for x
    x = 5,375,141,305.51/92,173.33
  6. Step 6: Final answer
    x = 58,315.58

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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.