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Finding the Fourth Proportional to 307,399.38, 461,129.81 and 94,164.82

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Solution

The fourth proportional to 307,399.38, 461,129.81 and 94,164.82 is: 141,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,399.38 : 461,129.81 = 94,164.82 : x
  2. Step 2: Convert to fraction form
    307,399.38/461,129.81 = 94,164.82/x
  3. Step 3: Cross multiply
    307,399.38x = 461,129.81 × 94,164.82
  4. Step 4: Simplify right side
    307,399.38x = 43,422,205,555.28
  5. Step 5: Solve for x
    x = 43,422,205,555.28/307,399.38
  6. Step 6: Final answer
    x = 141,256.65

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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.