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Finding the Fourth Proportional to 264,065.65, 396,215.12 and 106,601.65

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Solution

The fourth proportional to 264,065.65, 396,215.12 and 106,601.65 is: 159,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,065.65 : 396,215.12 = 106,601.65 : x
  2. Step 2: Convert to fraction form
    264,065.65/396,215.12 = 106,601.65/x
  3. Step 3: Cross multiply
    264,065.65x = 396,215.12 × 106,601.65
  4. Step 4: Simplify right side
    264,065.65x = 42,237,185,013.94
  5. Step 5: Solve for x
    x = 42,237,185,013.94/264,065.65
  6. Step 6: Final answer
    x = 159,949.56

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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.