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Finding the Fourth Proportional to 226,698.46, 340,035.36 and 68,914.60

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Solution

The fourth proportional to 226,698.46, 340,035.36 and 68,914.60 is: 103,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,698.46 : 340,035.36 = 68,914.60 : x
  2. Step 2: Convert to fraction form
    226,698.46/340,035.36 = 68,914.60/x
  3. Step 3: Cross multiply
    226,698.46x = 340,035.36 × 68,914.60
  4. Step 4: Simplify right side
    226,698.46x = 23,433,400,820.26
  5. Step 5: Solve for x
    x = 23,433,400,820.26/226,698.46
  6. Step 6: Final answer
    x = 103,368.15

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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.