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Finding the Fourth Proportional to 159,317.30, 239,105.55 and 154,133.30

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Solution

The fourth proportional to 159,317.30, 239,105.55 and 154,133.30 is: 231,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,317.30 : 239,105.55 = 154,133.30 : x
  2. Step 2: Convert to fraction form
    159,317.30/239,105.55 = 154,133.30/x
  3. Step 3: Cross multiply
    159,317.30x = 239,105.55 × 154,133.30
  4. Step 4: Simplify right side
    159,317.30x = 36,854,127,469.82
  5. Step 5: Solve for x
    x = 36,854,127,469.82/159,317.30
  6. Step 6: Final answer
    x = 231,325.33

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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.