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Finding the Fourth Proportional to 245,540.70, 367,965.45 and 181,863.90

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Solution

The fourth proportional to 245,540.70, 367,965.45 and 181,863.90 is: 272,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,540.70 : 367,965.45 = 181,863.90 : x
  2. Step 2: Convert to fraction form
    245,540.70/367,965.45 = 181,863.90/x
  3. Step 3: Cross multiply
    245,540.70x = 367,965.45 × 181,863.90
  4. Step 4: Simplify right side
    245,540.70x = 66,919,631,802.26
  5. Step 5: Solve for x
    x = 66,919,631,802.26/245,540.70
  6. Step 6: Final answer
    x = 272,539.88

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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.