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Finding the Fourth Proportional to 297,636.12, 410,745.25 and 161,670.03

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Solution

The fourth proportional to 297,636.12, 410,745.25 and 161,670.03 is: 223,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,636.12 : 410,745.25 = 161,670.03 : x
  2. Step 2: Convert to fraction form
    297,636.12/410,745.25 = 161,670.03/x
  3. Step 3: Cross multiply
    297,636.12x = 410,745.25 × 161,670.03
  4. Step 4: Simplify right side
    297,636.12x = 66,405,196,006.35
  5. Step 5: Solve for x
    x = 66,405,196,006.35/297,636.12
  6. Step 6: Final answer
    x = 223,108.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.