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Finding the Fourth Proportional to 234,498.60, 351,661.74 and 80,580.94

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Solution

The fourth proportional to 234,498.60, 351,661.74 and 80,580.94 is: 120,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,498.60 : 351,661.74 = 80,580.94 : x
  2. Step 2: Convert to fraction form
    234,498.60/351,661.74 = 80,580.94/x
  3. Step 3: Cross multiply
    234,498.60x = 351,661.74 × 80,580.94
  4. Step 4: Simplify right side
    234,498.60x = 28,337,233,571.24
  5. Step 5: Solve for x
    x = 28,337,233,571.24/234,498.60
  6. Step 6: Final answer
    x = 120,841.80

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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.