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Finding the Fourth Proportional to 248,163.49, 372,095.13 and 111,361.51

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Solution

The fourth proportional to 248,163.49, 372,095.13 and 111,361.51 is: 166,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,163.49 : 372,095.13 = 111,361.51 : x
  2. Step 2: Convert to fraction form
    248,163.49/372,095.13 = 111,361.51/x
  3. Step 3: Cross multiply
    248,163.49x = 372,095.13 × 111,361.51
  4. Step 4: Simplify right side
    248,163.49x = 41,437,076,423.17
  5. Step 5: Solve for x
    x = 41,437,076,423.17/248,163.49
  6. Step 6: Final answer
    x = 166,974.91

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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.