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Finding the Fourth Proportional to 347,950.13, 521,905.92 and 95,212.47

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Solution

The fourth proportional to 347,950.13, 521,905.92 and 95,212.47 is: 142,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,950.13 : 521,905.92 = 95,212.47 : x
  2. Step 2: Convert to fraction form
    347,950.13/521,905.92 = 95,212.47/x
  3. Step 3: Cross multiply
    347,950.13x = 521,905.92 × 95,212.47
  4. Step 4: Simplify right side
    347,950.13x = 49,691,951,750.82
  5. Step 5: Solve for x
    x = 49,691,951,750.82/347,950.13
  6. Step 6: Final answer
    x = 142,813.43

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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.