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Finding the Fourth Proportional to 239,537.96, 330,478.92 and 153,544.37

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Solution

The fourth proportional to 239,537.96, 330,478.92 and 153,544.37 is: 211,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,537.96 : 330,478.92 = 153,544.37 : x
  2. Step 2: Convert to fraction form
    239,537.96/330,478.92 = 153,544.37/x
  3. Step 3: Cross multiply
    239,537.96x = 330,478.92 × 153,544.37
  4. Step 4: Simplify right side
    239,537.96x = 50,743,175,917.29
  5. Step 5: Solve for x
    x = 50,743,175,917.29/239,537.96
  6. Step 6: Final answer
    x = 211,837.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.