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Finding the Fourth Proportional to 167,833, 251,848.32 and 74,339.56

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Solution

The fourth proportional to 167,833, 251,848.32 and 74,339.56 is: 111,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,833 : 251,848.32 = 74,339.56 : x
  2. Step 2: Convert to fraction form
    167,833/251,848.32 = 74,339.56/x
  3. Step 3: Cross multiply
    167,833x = 251,848.32 × 74,339.56
  4. Step 4: Simplify right side
    167,833x = 18,722,293,295.54
  5. Step 5: Solve for x
    x = 18,722,293,295.54/167,833
  6. Step 6: Final answer
    x = 111,553.11

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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.