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Finding the Fourth Proportional to 166,779, 230,190.75 and 106,335.72

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Solution

The fourth proportional to 166,779, 230,190.75 and 106,335.72 is: 146,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,779 : 230,190.75 = 106,335.72 : x
  2. Step 2: Convert to fraction form
    166,779/230,190.75 = 106,335.72/x
  3. Step 3: Cross multiply
    166,779x = 230,190.75 × 106,335.72
  4. Step 4: Simplify right side
    166,779x = 24,477,499,138.59
  5. Step 5: Solve for x
    x = 24,477,499,138.59/166,779
  6. Step 6: Final answer
    x = 146,766.07

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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.