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Finding the Fourth Proportional to 307,388.38, 461,113.31 and 94,153.82

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Solution

The fourth proportional to 307,388.38, 461,113.31 and 94,153.82 is: 141,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,388.38 : 461,113.31 = 94,153.82 : x
  2. Step 2: Convert to fraction form
    307,388.38/461,113.31 = 94,153.82/x
  3. Step 3: Cross multiply
    307,388.38x = 461,113.31 × 94,153.82
  4. Step 4: Simplify right side
    307,388.38x = 43,415,579,589.34
  5. Step 5: Solve for x
    x = 43,415,579,589.34/307,388.38
  6. Step 6: Final answer
    x = 141,240.15

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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.