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Finding the Fourth Proportional to 73,330,238.35, 109,978,293.09 and 27,293,787.97

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Solution

The fourth proportional to 73,330,238.35, 109,978,293.09 and 27,293,787.97 is: 40,934,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,330,238.35 : 109,978,293.09 = 27,293,787.97 : x
  2. Step 2: Convert to fraction form
    73,330,238.35/109,978,293.09 = 27,293,787.97/x
  3. Step 3: Cross multiply
    73,330,238.35x = 109,978,293.09 × 27,293,787.97
  4. Step 4: Simplify right side
    73,330,238.35x = 3,001,724,212,900,976
  5. Step 5: Solve for x
    x = 3,001,724,212,900,976/73,330,238.35
  6. Step 6: Final answer
    x = 40,934,330.51

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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.