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Finding the Fourth Proportional to 106,593.60, 159,806.05 and 40,026.32

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Solution

The fourth proportional to 106,593.60, 159,806.05 and 40,026.32 is: 60,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,593.60 : 159,806.05 = 40,026.32 : x
  2. Step 2: Convert to fraction form
    106,593.60/159,806.05 = 40,026.32/x
  3. Step 3: Cross multiply
    106,593.60x = 159,806.05 × 40,026.32
  4. Step 4: Simplify right side
    106,593.60x = 6,396,448,095.24
  5. Step 5: Solve for x
    x = 6,396,448,095.24/106,593.60
  6. Step 6: Final answer
    x = 60,007.81

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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.