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Finding the Fourth Proportional to 230,339.43, 345,558.35 and 80,584.60

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Solution

The fourth proportional to 230,339.43, 345,558.35 and 80,584.60 is: 120,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,339.43 : 345,558.35 = 80,584.60 : x
  2. Step 2: Convert to fraction form
    230,339.43/345,558.35 = 80,584.60/x
  3. Step 3: Cross multiply
    230,339.43x = 345,558.35 × 80,584.60
  4. Step 4: Simplify right side
    230,339.43x = 27,846,681,411.41
  5. Step 5: Solve for x
    x = 27,846,681,411.41/230,339.43
  6. Step 6: Final answer
    x = 120,894.11

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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.