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Finding the Fourth Proportional to 159,517.64, 239,261.76 and 48,709.64

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Solution

The fourth proportional to 159,517.64, 239,261.76 and 48,709.64 is: 73,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,517.64 : 239,261.76 = 48,709.64 : x
  2. Step 2: Convert to fraction form
    159,517.64/239,261.76 = 48,709.64/x
  3. Step 3: Cross multiply
    159,517.64x = 239,261.76 × 48,709.64
  4. Step 4: Simplify right side
    159,517.64x = 11,654,354,195.37
  5. Step 5: Solve for x
    x = 11,654,354,195.37/159,517.64
  6. Step 6: Final answer
    x = 73,059.97

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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.