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Finding the Fourth Proportional to 159,658.24, 239,488.44 and 70,887.64

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Solution

The fourth proportional to 159,658.24, 239,488.44 and 70,887.64 is: 106,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,658.24 : 239,488.44 = 70,887.64 : x
  2. Step 2: Convert to fraction form
    159,658.24/239,488.44 = 70,887.64/x
  3. Step 3: Cross multiply
    159,658.24x = 239,488.44 × 70,887.64
  4. Step 4: Simplify right side
    159,658.24x = 16,976,770,318.88
  5. Step 5: Solve for x
    x = 16,976,770,318.88/159,658.24
  6. Step 6: Final answer
    x = 106,331.94

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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.