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Finding the Fourth Proportional to 159,480.16, 239,242.11 and 47,169.21

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Solution

The fourth proportional to 159,480.16, 239,242.11 and 47,169.21 is: 70,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,480.16 : 239,242.11 = 47,169.21 : x
  2. Step 2: Convert to fraction form
    159,480.16/239,242.11 = 47,169.21/x
  3. Step 3: Cross multiply
    159,480.16x = 239,242.11 × 47,169.21
  4. Step 4: Simplify right side
    159,480.16x = 11,284,861,327.43
  5. Step 5: Solve for x
    x = 11,284,861,327.43/159,480.16
  6. Step 6: Final answer
    x = 70,760.28

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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.