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Finding the Fourth Proportional to 226,860.85, 340,265.31 and 60,661.81

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Solution

The fourth proportional to 226,860.85, 340,265.31 and 60,661.81 is: 90,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,860.85 : 340,265.31 = 60,661.81 : x
  2. Step 2: Convert to fraction form
    226,860.85/340,265.31 = 60,661.81/x
  3. Step 3: Cross multiply
    226,860.85x = 340,265.31 × 60,661.81
  4. Step 4: Simplify right side
    226,860.85x = 20,641,109,584.81
  5. Step 5: Solve for x
    x = 20,641,109,584.81/226,860.85
  6. Step 6: Final answer
    x = 90,985.77

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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.