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Finding the Fourth Proportional to 92,593.82, 127,778.55 and 54,346.61

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Solution

The fourth proportional to 92,593.82, 127,778.55 and 54,346.61 is: 74,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,593.82 : 127,778.55 = 54,346.61 : x
  2. Step 2: Convert to fraction form
    92,593.82/127,778.55 = 54,346.61/x
  3. Step 3: Cross multiply
    92,593.82x = 127,778.55 × 54,346.61
  4. Step 4: Simplify right side
    92,593.82x = 6,944,330,829.07
  5. Step 5: Solve for x
    x = 6,944,330,829.07/92,593.82
  6. Step 6: Final answer
    x = 74,997.78

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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.