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Finding the Fourth Proportional to 74,224.85, 111,361.71 and 49,362.71

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Solution

The fourth proportional to 74,224.85, 111,361.71 and 49,362.71 is: 74,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,224.85 : 111,361.71 = 49,362.71 : x
  2. Step 2: Convert to fraction form
    74,224.85/111,361.71 = 49,362.71/x
  3. Step 3: Cross multiply
    74,224.85x = 111,361.71 × 49,362.71
  4. Step 4: Simplify right side
    74,224.85x = 5,497,115,795.83
  5. Step 5: Solve for x
    x = 5,497,115,795.83/74,224.85
  6. Step 6: Final answer
    x = 74,060.32

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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.