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Finding the Fourth Proportional to 239,251.69, 358,930.09 and 70,758.89

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Solution

The fourth proportional to 239,251.69, 358,930.09 and 70,758.89 is: 106,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,251.69 : 358,930.09 = 70,758.89 : x
  2. Step 2: Convert to fraction form
    239,251.69/358,930.09 = 70,758.89/x
  3. Step 3: Cross multiply
    239,251.69x = 358,930.09 × 70,758.89
  4. Step 4: Simplify right side
    239,251.69x = 25,397,493,183.67
  5. Step 5: Solve for x
    x = 25,397,493,183.67/239,251.69
  6. Step 6: Final answer
    x = 106,153.87

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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.