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Finding the Fourth Proportional to 67,930.70, 101,855.55 and 41,654.30

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Solution

The fourth proportional to 67,930.70, 101,855.55 and 41,654.30 is: 62,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,930.70 : 101,855.55 = 41,654.30 : x
  2. Step 2: Convert to fraction form
    67,930.70/101,855.55 = 41,654.30/x
  3. Step 3: Cross multiply
    67,930.70x = 101,855.55 × 41,654.30
  4. Step 4: Simplify right side
    67,930.70x = 4,242,721,636.37
  5. Step 5: Solve for x
    x = 4,242,721,636.37/67,930.70
  6. Step 6: Final answer
    x = 62,456.62

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1.5x scale

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.