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Finding the Fourth Proportional to 226,766.71, 340,199.27 and 68,991.06

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Solution

The fourth proportional to 226,766.71, 340,199.27 and 68,991.06 is: 103,501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,766.71 : 340,199.27 = 68,991.06 : x
  2. Step 2: Convert to fraction form
    226,766.71/340,199.27 = 68,991.06/x
  3. Step 3: Cross multiply
    226,766.71x = 340,199.27 × 68,991.06
  4. Step 4: Simplify right side
    226,766.71x = 23,470,708,248.53
  5. Step 5: Solve for x
    x = 23,470,708,248.53/226,766.71
  6. Step 6: Final answer
    x = 103,501.56

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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.