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Finding the Fourth Proportional to 159,455.70, 239,183.55 and 100,358.10

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Solution

The fourth proportional to 159,455.70, 239,183.55 and 100,358.10 is: 150,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,455.70 : 239,183.55 = 100,358.10 : x
  2. Step 2: Convert to fraction form
    159,455.70/239,183.55 = 100,358.10/x
  3. Step 3: Cross multiply
    159,455.70x = 239,183.55 × 100,358.10
  4. Step 4: Simplify right side
    159,455.70x = 24,004,006,629.26
  5. Step 5: Solve for x
    x = 24,004,006,629.26/159,455.70
  6. Step 6: Final answer
    x = 150,537.15

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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.