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Finding the Fourth Proportional to 267,485.83, 401,135.69 and 107,514.27

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Solution

The fourth proportional to 267,485.83, 401,135.69 and 107,514.27 is: 161,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,485.83 : 401,135.69 = 107,514.27 : x
  2. Step 2: Convert to fraction form
    267,485.83/401,135.69 = 107,514.27/x
  3. Step 3: Cross multiply
    267,485.83x = 401,135.69 × 107,514.27
  4. Step 4: Simplify right side
    267,485.83x = 43,127,810,881.30
  5. Step 5: Solve for x
    x = 43,127,810,881.30/267,485.83
  6. Step 6: Final answer
    x = 161,234.01

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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.