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Finding the Fourth Proportional to 248,290.68, 372,144.15 and 114,889.08

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Solution

The fourth proportional to 248,290.68, 372,144.15 and 114,889.08 is: 172,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,290.68 : 372,144.15 = 114,889.08 : x
  2. Step 2: Convert to fraction form
    248,290.68/372,144.15 = 114,889.08/x
  3. Step 3: Cross multiply
    248,290.68x = 372,144.15 × 114,889.08
  4. Step 4: Simplify right side
    248,290.68x = 42,755,299,020.88
  5. Step 5: Solve for x
    x = 42,755,299,020.88/248,290.68
  6. Step 6: Final answer
    x = 172,198.57

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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.