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Finding the Fourth Proportional to 159,889.39, 239,792.32 and 47,539.36

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Solution

The fourth proportional to 159,889.39, 239,792.32 and 47,539.36 is: 71,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,889.39 : 239,792.32 = 47,539.36 : x
  2. Step 2: Convert to fraction form
    159,889.39/239,792.32 = 47,539.36/x
  3. Step 3: Cross multiply
    159,889.39x = 239,792.32 × 47,539.36
  4. Step 4: Simplify right side
    159,889.39x = 11,399,573,425.72
  5. Step 5: Solve for x
    x = 11,399,573,425.72/159,889.39
  6. Step 6: Final answer
    x = 71,296.62

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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.