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Finding the Fourth Proportional to 248,697.48, 372,776.30 and 163,272.49

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Solution

The fourth proportional to 248,697.48, 372,776.30 and 163,272.49 is: 244,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,697.48 : 372,776.30 = 163,272.49 : x
  2. Step 2: Convert to fraction form
    248,697.48/372,776.30 = 163,272.49/x
  3. Step 3: Cross multiply
    248,697.48x = 372,776.30 × 163,272.49
  4. Step 4: Simplify right side
    248,697.48x = 60,864,114,713.99
  5. Step 5: Solve for x
    x = 60,864,114,713.99/248,697.48
  6. Step 6: Final answer
    x = 244,731.53

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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.