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Finding the Fourth Proportional to 91,262.44, 125,941.86 and 53,027.56

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Solution

The fourth proportional to 91,262.44, 125,941.86 and 53,027.56 is: 73,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,262.44 : 125,941.86 = 53,027.56 : x
  2. Step 2: Convert to fraction form
    91,262.44/125,941.86 = 53,027.56/x
  3. Step 3: Cross multiply
    91,262.44x = 125,941.86 × 53,027.56
  4. Step 4: Simplify right side
    91,262.44x = 6,678,389,537.66
  5. Step 5: Solve for x
    x = 6,678,389,537.66/91,262.44
  6. Step 6: Final answer
    x = 73,177.85

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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.