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Finding the Fourth Proportional to 248,530.20, 372,767.37 and 68,641.20

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Solution

The fourth proportional to 248,530.20, 372,767.37 and 68,641.20 is: 102,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,530.20 : 372,767.37 = 68,641.20 : x
  2. Step 2: Convert to fraction form
    248,530.20/372,767.37 = 68,641.20/x
  3. Step 3: Cross multiply
    248,530.20x = 372,767.37 × 68,641.20
  4. Step 4: Simplify right side
    248,530.20x = 25,587,199,597.64
  5. Step 5: Solve for x
    x = 25,587,199,597.64/248,530.20
  6. Step 6: Final answer
    x = 102,954.09

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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.