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Finding the Fourth Proportional to 91,235.46, 125,892.46 and 50,944.07

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Solution

The fourth proportional to 91,235.46, 125,892.46 and 50,944.07 is: 70,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,235.46 : 125,892.46 = 50,944.07 : x
  2. Step 2: Convert to fraction form
    91,235.46/125,892.46 = 50,944.07/x
  3. Step 3: Cross multiply
    91,235.46x = 125,892.46 × 50,944.07
  4. Step 4: Simplify right side
    91,235.46x = 6,413,474,673.12
  5. Step 5: Solve for x
    x = 6,413,474,673.12/91,235.46
  6. Step 6: Final answer
    x = 70,295.85

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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.