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Finding the Fourth Proportional to 245,136.46, 367,697.40 and 67,654.12

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Solution

The fourth proportional to 245,136.46, 367,697.40 and 67,654.12 is: 101,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,136.46 : 367,697.40 = 67,654.12 : x
  2. Step 2: Convert to fraction form
    245,136.46/367,697.40 = 67,654.12/x
  3. Step 3: Cross multiply
    245,136.46x = 367,697.40 × 67,654.12
  4. Step 4: Simplify right side
    245,136.46x = 24,876,244,023.29
  5. Step 5: Solve for x
    x = 24,876,244,023.29/245,136.46
  6. Step 6: Final answer
    x = 101,479.17

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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.