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Finding the Fourth Proportional to 197,654.52, 296,537.14 and 79,408.90

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Solution

The fourth proportional to 197,654.52, 296,537.14 and 79,408.90 is: 119,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,654.52 : 296,537.14 = 79,408.90 : x
  2. Step 2: Convert to fraction form
    197,654.52/296,537.14 = 79,408.90/x
  3. Step 3: Cross multiply
    197,654.52x = 296,537.14 × 79,408.90
  4. Step 4: Simplify right side
    197,654.52x = 23,547,687,156.68
  5. Step 5: Solve for x
    x = 23,547,687,156.68/197,654.52
  6. Step 6: Final answer
    x = 119,135.59

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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.