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Finding the Fourth Proportional to 339,992.11, 469,186.52 and 187,027.01

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Solution

The fourth proportional to 339,992.11, 469,186.52 and 187,027.01 is: 258,095.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,992.11 : 469,186.52 = 187,027.01 : x
  2. Step 2: Convert to fraction form
    339,992.11/469,186.52 = 187,027.01/x
  3. Step 3: Cross multiply
    339,992.11x = 469,186.52 × 187,027.01
  4. Step 4: Simplify right side
    339,992.11x = 87,750,548,686.84
  5. Step 5: Solve for x
    x = 87,750,548,686.84/339,992.11
  6. Step 6: Final answer
    x = 258,095.84

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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.