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Finding the Fourth Proportional to 265,218.53, 366,049.01 and 169,721.96

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Solution

The fourth proportional to 265,218.53, 366,049.01 and 169,721.96 is: 234,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,218.53 : 366,049.01 = 169,721.96 : x
  2. Step 2: Convert to fraction form
    265,218.53/366,049.01 = 169,721.96/x
  3. Step 3: Cross multiply
    265,218.53x = 366,049.01 × 169,721.96
  4. Step 4: Simplify right side
    265,218.53x = 62,126,554,584.65
  5. Step 5: Solve for x
    x = 62,126,554,584.65/265,218.53
  6. Step 6: Final answer
    x = 234,246.66

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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.