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Finding the Fourth Proportional to 248,729.40, 372,745.80 and 134,630.64

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Solution

The fourth proportional to 248,729.40, 372,745.80 and 134,630.64 is: 201,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,729.40 : 372,745.80 = 134,630.64 : x
  2. Step 2: Convert to fraction form
    248,729.40/372,745.80 = 134,630.64/x
  3. Step 3: Cross multiply
    248,729.40x = 372,745.80 × 134,630.64
  4. Step 4: Simplify right side
    248,729.40x = 50,183,005,611.31
  5. Step 5: Solve for x
    x = 50,183,005,611.31/248,729.40
  6. Step 6: Final answer
    x = 201,757.43

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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.