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Finding the Fourth Proportional to 159,814.72, 220,627.23 and 116,745.85

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Solution

The fourth proportional to 159,814.72, 220,627.23 and 116,745.85 is: 161,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,814.72 : 220,627.23 = 116,745.85 : x
  2. Step 2: Convert to fraction form
    159,814.72/220,627.23 = 116,745.85/x
  3. Step 3: Cross multiply
    159,814.72x = 220,627.23 × 116,745.85
  4. Step 4: Simplify right side
    159,814.72x = 25,757,313,994.18
  5. Step 5: Solve for x
    x = 25,757,313,994.18/159,814.72
  6. Step 6: Final answer
    x = 161,169.85

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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.