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Finding the Fourth Proportional to 90,796.01, 125,299.46 and 49,960.67

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Solution

The fourth proportional to 90,796.01, 125,299.46 and 49,960.67 is: 68,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,796.01 : 125,299.46 = 49,960.67 : x
  2. Step 2: Convert to fraction form
    90,796.01/125,299.46 = 49,960.67/x
  3. Step 3: Cross multiply
    90,796.01x = 125,299.46 × 49,960.67
  4. Step 4: Simplify right side
    90,796.01x = 6,260,044,470.64
  5. Step 5: Solve for x
    x = 6,260,044,470.64/90,796.01
  6. Step 6: Final answer
    x = 68,946.25

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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.