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Finding the Fourth Proportional to 92,173.81, 127,202.23 and 51,889

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Solution

The fourth proportional to 92,173.81, 127,202.23 and 51,889 is: 71,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,173.81 : 127,202.23 = 51,889 : x
  2. Step 2: Convert to fraction form
    92,173.81/127,202.23 = 51,889/x
  3. Step 3: Cross multiply
    92,173.81x = 127,202.23 × 51,889
  4. Step 4: Simplify right side
    92,173.81x = 6,600,396,512.47
  5. Step 5: Solve for x
    x = 6,600,396,512.47/92,173.81
  6. Step 6: Final answer
    x = 71,608.16

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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.