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Finding the Fourth Proportional to 133,873.66, 200,811.93 and 40,380.22

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Solution

The fourth proportional to 133,873.66, 200,811.93 and 40,380.22 is: 60,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,873.66 : 200,811.93 = 40,380.22 : x
  2. Step 2: Convert to fraction form
    133,873.66/200,811.93 = 40,380.22/x
  3. Step 3: Cross multiply
    133,873.66x = 200,811.93 × 40,380.22
  4. Step 4: Simplify right side
    133,873.66x = 8,108,829,912.02
  5. Step 5: Solve for x
    x = 8,108,829,912.02/133,873.66
  6. Step 6: Final answer
    x = 60,570.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.