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Finding the Fourth Proportional to 226,866.88, 340,351.08 and 69,107.77

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Solution

The fourth proportional to 226,866.88, 340,351.08 and 69,107.77 is: 103,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,866.88 : 340,351.08 = 69,107.77 : x
  2. Step 2: Convert to fraction form
    226,866.88/340,351.08 = 69,107.77/x
  3. Step 3: Cross multiply
    226,866.88x = 340,351.08 × 69,107.77
  4. Step 4: Simplify right side
    226,866.88x = 23,520,904,155.89
  5. Step 5: Solve for x
    x = 23,520,904,155.89/226,866.88
  6. Step 6: Final answer
    x = 103,677.12

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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.