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Finding the Fourth Proportional to 226,909.92, 340,285.52 and 66,943.37

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Solution

The fourth proportional to 226,909.92, 340,285.52 and 66,943.37 is: 100,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,909.92 : 340,285.52 = 66,943.37 : x
  2. Step 2: Convert to fraction form
    226,909.92/340,285.52 = 66,943.37/x
  3. Step 3: Cross multiply
    226,909.92x = 340,285.52 × 66,943.37
  4. Step 4: Simplify right side
    226,909.92x = 22,779,860,489.07
  5. Step 5: Solve for x
    x = 22,779,860,489.07/226,909.92
  6. Step 6: Final answer
    x = 100,391.64

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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.