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Finding the Fourth Proportional to 113,658.67, 170,481.80 and 34,772.89

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Solution

The fourth proportional to 113,658.67, 170,481.80 and 34,772.89 is: 52,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,658.67 : 170,481.80 = 34,772.89 : x
  2. Step 2: Convert to fraction form
    113,658.67/170,481.80 = 34,772.89/x
  3. Step 3: Cross multiply
    113,658.67x = 170,481.80 × 34,772.89
  4. Step 4: Simplify right side
    113,658.67x = 5,928,144,878.40
  5. Step 5: Solve for x
    x = 5,928,144,878.40/113,658.67
  6. Step 6: Final answer
    x = 52,157.44

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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.