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Finding the Fourth Proportional to 248,967.85, 372,959.70 and 136,446.70

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Solution

The fourth proportional to 248,967.85, 372,959.70 and 136,446.70 is: 204,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,967.85 : 372,959.70 = 136,446.70 : x
  2. Step 2: Convert to fraction form
    248,967.85/372,959.70 = 136,446.70/x
  3. Step 3: Cross multiply
    248,967.85x = 372,959.70 × 136,446.70
  4. Step 4: Simplify right side
    248,967.85x = 50,889,120,297.99
  5. Step 5: Solve for x
    x = 50,889,120,297.99/248,967.85
  6. Step 6: Final answer
    x = 204,400.37

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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.