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Finding the Fourth Proportional to 67,448.60, 101,234.10 and 34,191.80

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Solution

The fourth proportional to 67,448.60, 101,234.10 and 34,191.80 is: 51,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,448.60 : 101,234.10 = 34,191.80 : x
  2. Step 2: Convert to fraction form
    67,448.60/101,234.10 = 34,191.80/x
  3. Step 3: Cross multiply
    67,448.60x = 101,234.10 × 34,191.80
  4. Step 4: Simplify right side
    67,448.60x = 3,461,376,100.38
  5. Step 5: Solve for x
    x = 3,461,376,100.38/67,448.60
  6. Step 6: Final answer
    x = 51,318.72

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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.