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Finding the Fourth Proportional to 362,104.40, 543,205.20 and 125,519.60

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Solution

The fourth proportional to 362,104.40, 543,205.20 and 125,519.60 is: 188,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,104.40 : 543,205.20 = 125,519.60 : x
  2. Step 2: Convert to fraction form
    362,104.40/543,205.20 = 125,519.60/x
  3. Step 3: Cross multiply
    362,104.40x = 543,205.20 × 125,519.60
  4. Step 4: Simplify right side
    362,104.40x = 68,182,899,421.92
  5. Step 5: Solve for x
    x = 68,182,899,421.92/362,104.40
  6. Step 6: Final answer
    x = 188,296.25

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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.