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Finding the Fourth Proportional to 245,150.64, 367,718.40 and 67,668.48

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Solution

The fourth proportional to 245,150.64, 367,718.40 and 67,668.48 is: 101,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,150.64 : 367,718.40 = 67,668.48 : x
  2. Step 2: Convert to fraction form
    245,150.64/367,718.40 = 67,668.48/x
  3. Step 3: Cross multiply
    245,150.64x = 367,718.40 × 67,668.48
  4. Step 4: Simplify right side
    245,150.64x = 24,882,945,196.03
  5. Step 5: Solve for x
    x = 24,882,945,196.03/245,150.64
  6. Step 6: Final answer
    x = 101,500.63

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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.