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Finding the Fourth Proportional to 451,033.92, 676,499.04 and 118,635.84

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Solution

The fourth proportional to 451,033.92, 676,499.04 and 118,635.84 is: 177,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,033.92 : 676,499.04 = 118,635.84 : x
  2. Step 2: Convert to fraction form
    451,033.92/676,499.04 = 118,635.84/x
  3. Step 3: Cross multiply
    451,033.92x = 676,499.04 × 118,635.84
  4. Step 4: Simplify right side
    451,033.92x = 80,257,031,869.59
  5. Step 5: Solve for x
    x = 80,257,031,869.59/451,033.92
  6. Step 6: Final answer
    x = 177,940.12

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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.