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Finding the Fourth Proportional to 166,683.75, 230,025.20 and 91,233.87

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Solution

The fourth proportional to 166,683.75, 230,025.20 and 91,233.87 is: 125,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,683.75 : 230,025.20 = 91,233.87 : x
  2. Step 2: Convert to fraction form
    166,683.75/230,025.20 = 91,233.87/x
  3. Step 3: Cross multiply
    166,683.75x = 230,025.20 × 91,233.87
  4. Step 4: Simplify right side
    166,683.75x = 20,986,088,737.35
  5. Step 5: Solve for x
    x = 20,986,088,737.35/166,683.75
  6. Step 6: Final answer
    x = 125,903.63

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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.