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Finding the Fourth Proportional to 248,213.94, 372,271.98 and 68,253

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Solution

The fourth proportional to 248,213.94, 372,271.98 and 68,253 is: 102,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,213.94 : 372,271.98 = 68,253 : x
  2. Step 2: Convert to fraction form
    248,213.94/372,271.98 = 68,253/x
  3. Step 3: Cross multiply
    248,213.94x = 372,271.98 × 68,253
  4. Step 4: Simplify right side
    248,213.94x = 25,408,679,450.94
  5. Step 5: Solve for x
    x = 25,408,679,450.94/248,213.94
  6. Step 6: Final answer
    x = 102,366.05

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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.