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Finding the Fourth Proportional to 258,584.93, 356,620.07 and 181,020.84

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Solution

The fourth proportional to 258,584.93, 356,620.07 and 181,020.84 is: 249,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,584.93 : 356,620.07 = 181,020.84 : x
  2. Step 2: Convert to fraction form
    258,584.93/356,620.07 = 181,020.84/x
  3. Step 3: Cross multiply
    258,584.93x = 356,620.07 × 181,020.84
  4. Step 4: Simplify right side
    258,584.93x = 64,555,663,727.15
  5. Step 5: Solve for x
    x = 64,555,663,727.15/258,584.93
  6. Step 6: Final answer
    x = 249,649.76

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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.