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Finding the Fourth Proportional to 248,291.54, 372,274.11 and 163,794.02

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Solution

The fourth proportional to 248,291.54, 372,274.11 and 163,794.02 is: 245,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,291.54 : 372,274.11 = 163,794.02 : x
  2. Step 2: Convert to fraction form
    248,291.54/372,274.11 = 163,794.02/x
  3. Step 3: Cross multiply
    248,291.54x = 372,274.11 × 163,794.02
  4. Step 4: Simplify right side
    248,291.54x = 60,976,273,018.82
  5. Step 5: Solve for x
    x = 60,976,273,018.82/248,291.54
  6. Step 6: Final answer
    x = 245,583.37

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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.