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Finding the Fourth Proportional to 91,125.37, 125,753.09 and 50,839.14

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Solution

The fourth proportional to 91,125.37, 125,753.09 and 50,839.14 is: 70,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,125.37 : 125,753.09 = 50,839.14 : x
  2. Step 2: Convert to fraction form
    91,125.37/125,753.09 = 50,839.14/x
  3. Step 3: Cross multiply
    91,125.37x = 125,753.09 × 50,839.14
  4. Step 4: Simplify right side
    91,125.37x = 6,393,179,594.28
  5. Step 5: Solve for x
    x = 6,393,179,594.28/91,125.37
  6. Step 6: Final answer
    x = 70,158.06

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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.