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Finding the Fourth Proportional to 91,096.68, 125,713.85 and 50,260.80

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Solution

The fourth proportional to 91,096.68, 125,713.85 and 50,260.80 is: 69,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,096.68 : 125,713.85 = 50,260.80 : x
  2. Step 2: Convert to fraction form
    91,096.68/125,713.85 = 50,260.80/x
  3. Step 3: Cross multiply
    91,096.68x = 125,713.85 × 50,260.80
  4. Step 4: Simplify right side
    91,096.68x = 6,318,478,295.05
  5. Step 5: Solve for x
    x = 6,318,478,295.05/91,096.68
  6. Step 6: Final answer
    x = 69,360.14

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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.