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Finding the Fourth Proportional to 248,120.70, 372,183.30 and 70,627.64

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Solution

The fourth proportional to 248,120.70, 372,183.30 and 70,627.64 is: 105,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,120.70 : 372,183.30 = 70,627.64 : x
  2. Step 2: Convert to fraction form
    248,120.70/372,183.30 = 70,627.64/x
  3. Step 3: Cross multiply
    248,120.70x = 372,183.30 × 70,627.64
  4. Step 4: Simplify right side
    248,120.70x = 26,286,428,126.41
  5. Step 5: Solve for x
    x = 26,286,428,126.41/248,120.70
  6. Step 6: Final answer
    x = 105,942.10

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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.