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Finding the Fourth Proportional to 159,989.69, 239,998.32 and 41,661.25

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Solution

The fourth proportional to 159,989.69, 239,998.32 and 41,661.25 is: 62,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,989.69 : 239,998.32 = 41,661.25 : x
  2. Step 2: Convert to fraction form
    159,989.69/239,998.32 = 41,661.25/x
  3. Step 3: Cross multiply
    159,989.69x = 239,998.32 × 41,661.25
  4. Step 4: Simplify right side
    159,989.69x = 9,998,629,409.10
  5. Step 5: Solve for x
    x = 9,998,629,409.10/159,989.69
  6. Step 6: Final answer
    x = 62,495.46

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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.