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Finding the Fourth Proportional to 91,264.44, 125,944.62 and 53,029.56

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Solution

The fourth proportional to 91,264.44, 125,944.62 and 53,029.56 is: 73,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,264.44 : 125,944.62 = 53,029.56 : x
  2. Step 2: Convert to fraction form
    91,264.44/125,944.62 = 53,029.56/x
  3. Step 3: Cross multiply
    91,264.44x = 125,944.62 × 53,029.56
  4. Step 4: Simplify right side
    91,264.44x = 6,678,787,782.97
  5. Step 5: Solve for x
    x = 6,678,787,782.97/91,264.44
  6. Step 6: Final answer
    x = 73,180.61

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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.