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Finding the Fourth Proportional to 261,593.54, 360,891.69 and 189,814.58

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Solution

The fourth proportional to 261,593.54, 360,891.69 and 189,814.58 is: 261,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,593.54 : 360,891.69 = 189,814.58 : x
  2. Step 2: Convert to fraction form
    261,593.54/360,891.69 = 189,814.58/x
  3. Step 3: Cross multiply
    261,593.54x = 360,891.69 × 189,814.58
  4. Step 4: Simplify right side
    261,593.54x = 68,502,504,562.84
  5. Step 5: Solve for x
    x = 68,502,504,562.84/261,593.54
  6. Step 6: Final answer
    x = 261,866.19

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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.