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Finding the Fourth Proportional to 91,232.84, 125,900.13 and 50,947.31

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Solution

The fourth proportional to 91,232.84, 125,900.13 and 50,947.31 is: 70,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,232.84 : 125,900.13 = 50,947.31 : x
  2. Step 2: Convert to fraction form
    91,232.84/125,900.13 = 50,947.31/x
  3. Step 3: Cross multiply
    91,232.84x = 125,900.13 × 50,947.31
  4. Step 4: Simplify right side
    91,232.84x = 6,414,272,952.15
  5. Step 5: Solve for x
    x = 6,414,272,952.15/91,232.84
  6. Step 6: Final answer
    x = 70,306.62

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1.5x scale

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.