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Finding the Fourth Proportional to 159,960.87, 239,619.40 and 75,802.19

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Solution

The fourth proportional to 159,960.87, 239,619.40 and 75,802.19 is: 113,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,960.87 : 239,619.40 = 75,802.19 : x
  2. Step 2: Convert to fraction form
    159,960.87/239,619.40 = 75,802.19/x
  3. Step 3: Cross multiply
    159,960.87x = 239,619.40 × 75,802.19
  4. Step 4: Simplify right side
    159,960.87x = 18,163,675,286.49
  5. Step 5: Solve for x
    x = 18,163,675,286.49/159,960.87
  6. Step 6: Final answer
    x = 113,550.74

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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.