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Finding the Fourth Proportional to 226,893.60, 340,340.40 and 69,101.55

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Solution

The fourth proportional to 226,893.60, 340,340.40 and 69,101.55 is: 103,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,893.60 : 340,340.40 = 69,101.55 : x
  2. Step 2: Convert to fraction form
    226,893.60/340,340.40 = 69,101.55/x
  3. Step 3: Cross multiply
    226,893.60x = 340,340.40 × 69,101.55
  4. Step 4: Simplify right side
    226,893.60x = 23,518,049,167.62
  5. Step 5: Solve for x
    x = 23,518,049,167.62/226,893.60
  6. Step 6: Final answer
    x = 103,652.33

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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.