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Finding the Fourth Proportional to 344,617.22, 516,950.49 and 91,896.38

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Solution

The fourth proportional to 344,617.22, 516,950.49 and 91,896.38 is: 137,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,617.22 : 516,950.49 = 91,896.38 : x
  2. Step 2: Convert to fraction form
    344,617.22/516,950.49 = 91,896.38/x
  3. Step 3: Cross multiply
    344,617.22x = 516,950.49 × 91,896.38
  4. Step 4: Simplify right side
    344,617.22x = 47,505,876,085.47
  5. Step 5: Solve for x
    x = 47,505,876,085.47/344,617.22
  6. Step 6: Final answer
    x = 137,851.14

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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.