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Finding the Fourth Proportional to 245,274.75, 367,584.48 and 131,188.68

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Solution

The fourth proportional to 245,274.75, 367,584.48 and 131,188.68 is: 196,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,274.75 : 367,584.48 = 131,188.68 : x
  2. Step 2: Convert to fraction form
    245,274.75/367,584.48 = 131,188.68/x
  3. Step 3: Cross multiply
    245,274.75x = 367,584.48 × 131,188.68
  4. Step 4: Simplify right side
    245,274.75x = 48,222,922,719.69
  5. Step 5: Solve for x
    x = 48,222,922,719.69/245,274.75
  6. Step 6: Final answer
    x = 196,607.77

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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.