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Finding the Fourth Proportional to 166,889.16, 230,229.84 and 147,788.40

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Solution

The fourth proportional to 166,889.16, 230,229.84 and 147,788.40 is: 203,879.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,889.16 : 230,229.84 = 147,788.40 : x
  2. Step 2: Convert to fraction form
    166,889.16/230,229.84 = 147,788.40/x
  3. Step 3: Cross multiply
    166,889.16x = 230,229.84 × 147,788.40
  4. Step 4: Simplify right side
    166,889.16x = 34,025,299,685.86
  5. Step 5: Solve for x
    x = 34,025,299,685.86/166,889.16
  6. Step 6: Final answer
    x = 203,879.63

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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.