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Finding the Fourth Proportional to 92,003.25, 126,965.18 and 51,167.94

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Solution

The fourth proportional to 92,003.25, 126,965.18 and 51,167.94 is: 70,612.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,003.25 : 126,965.18 = 51,167.94 : x
  2. Step 2: Convert to fraction form
    92,003.25/126,965.18 = 51,167.94/x
  3. Step 3: Cross multiply
    92,003.25x = 126,965.18 × 51,167.94
  4. Step 4: Simplify right side
    92,003.25x = 6,496,546,712.33
  5. Step 5: Solve for x
    x = 6,496,546,712.33/92,003.25
  6. Step 6: Final answer
    x = 70,612.14

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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.