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Finding the Fourth Proportional to 92,177.70, 138,146.73 and 41,539.56

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Solution

The fourth proportional to 92,177.70, 138,146.73 and 41,539.56 is: 62,255.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,177.70 : 138,146.73 = 41,539.56 : x
  2. Step 2: Convert to fraction form
    92,177.70/138,146.73 = 41,539.56/x
  3. Step 3: Cross multiply
    92,177.70x = 138,146.73 × 41,539.56
  4. Step 4: Simplify right side
    92,177.70x = 5,738,554,379.64
  5. Step 5: Solve for x
    x = 5,738,554,379.64/92,177.70
  6. Step 6: Final answer
    x = 62,255.34

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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.