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Finding the Fourth Proportional to 231,603.08, 347,448.44 and 79,759.76

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Solution

The fourth proportional to 231,603.08, 347,448.44 and 79,759.76 is: 119,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,603.08 : 347,448.44 = 79,759.76 : x
  2. Step 2: Convert to fraction form
    231,603.08/347,448.44 = 79,759.76/x
  3. Step 3: Cross multiply
    231,603.08x = 347,448.44 × 79,759.76
  4. Step 4: Simplify right side
    231,603.08x = 27,712,404,186.77
  5. Step 5: Solve for x
    x = 27,712,404,186.77/231,603.08
  6. Step 6: Final answer
    x = 119,654.73

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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.