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Finding the Fourth Proportional to 90,652.92, 125,096.04 and 50,363.88

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Solution

The fourth proportional to 90,652.92, 125,096.04 and 50,363.88 is: 69,499.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,652.92 : 125,096.04 = 50,363.88 : x
  2. Step 2: Convert to fraction form
    90,652.92/125,096.04 = 50,363.88/x
  3. Step 3: Cross multiply
    90,652.92x = 125,096.04 × 50,363.88
  4. Step 4: Simplify right side
    90,652.92x = 6,300,321,947.04
  5. Step 5: Solve for x
    x = 6,300,321,947.04/90,652.92
  6. Step 6: Final answer
    x = 69,499.38

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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.