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Finding the Fourth Proportional to 295,003.98, 442,506.24 and 126,414.90

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Solution

The fourth proportional to 295,003.98, 442,506.24 and 126,414.90 is: 189,622.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,003.98 : 442,506.24 = 126,414.90 : x
  2. Step 2: Convert to fraction form
    295,003.98/442,506.24 = 126,414.90/x
  3. Step 3: Cross multiply
    295,003.98x = 442,506.24 × 126,414.90
  4. Step 4: Simplify right side
    295,003.98x = 55,939,382,078.98
  5. Step 5: Solve for x
    x = 55,939,382,078.98/295,003.98
  6. Step 6: Final answer
    x = 189,622.47

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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.