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Finding the Fourth Proportional to 245,647.22, 367,708.08 and 133,047.78

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Solution

The fourth proportional to 245,647.22, 367,708.08 and 133,047.78 is: 199,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,647.22 : 367,708.08 = 133,047.78 : x
  2. Step 2: Convert to fraction form
    245,647.22/367,708.08 = 133,047.78/x
  3. Step 3: Cross multiply
    245,647.22x = 367,708.08 × 133,047.78
  4. Step 4: Simplify right side
    245,647.22x = 48,922,743,732.06
  5. Step 5: Solve for x
    x = 48,922,743,732.06/245,647.22
  6. Step 6: Final answer
    x = 199,158.55

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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.