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Finding the Fourth Proportional to 245,164.65, 367,739.66 and 67,682.49

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Solution

The fourth proportional to 245,164.65, 367,739.66 and 67,682.49 is: 101,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,164.65 : 367,739.66 = 67,682.49 : x
  2. Step 2: Convert to fraction form
    245,164.65/367,739.66 = 67,682.49/x
  3. Step 3: Cross multiply
    245,164.65x = 367,739.66 × 67,682.49
  4. Step 4: Simplify right side
    245,164.65x = 24,889,535,522.14
  5. Step 5: Solve for x
    x = 24,889,535,522.14/245,164.65
  6. Step 6: Final answer
    x = 101,521.71

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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.