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Finding the Fourth Proportional to 248,380.40, 372,361.62 and 108,033.32

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Solution

The fourth proportional to 248,380.40, 372,361.62 and 108,033.32 is: 161,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,380.40 : 372,361.62 = 108,033.32 : x
  2. Step 2: Convert to fraction form
    248,380.40/372,361.62 = 108,033.32/x
  3. Step 3: Cross multiply
    248,380.40x = 372,361.62 × 108,033.32
  4. Step 4: Simplify right side
    248,380.40x = 40,227,462,049.18
  5. Step 5: Solve for x
    x = 40,227,462,049.18/248,380.40
  6. Step 6: Final answer
    x = 161,959.08

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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.