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Finding the Fourth Proportional to 266,684.46, 367,953.63 and 151,960.65

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Solution

The fourth proportional to 266,684.46, 367,953.63 and 151,960.65 is: 209,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,684.46 : 367,953.63 = 151,960.65 : x
  2. Step 2: Convert to fraction form
    266,684.46/367,953.63 = 151,960.65/x
  3. Step 3: Cross multiply
    266,684.46x = 367,953.63 × 151,960.65
  4. Step 4: Simplify right side
    266,684.46x = 55,914,470,185.09
  5. Step 5: Solve for x
    x = 55,914,470,185.09/266,684.46
  6. Step 6: Final answer
    x = 209,665.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.