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Finding the Fourth Proportional to 325,103.46, 448,643.16 and 179,915.27

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Solution

The fourth proportional to 325,103.46, 448,643.16 and 179,915.27 is: 248,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,103.46 : 448,643.16 = 179,915.27 : x
  2. Step 2: Convert to fraction form
    325,103.46/448,643.16 = 179,915.27/x
  3. Step 3: Cross multiply
    325,103.46x = 448,643.16 × 179,915.27
  4. Step 4: Simplify right side
    325,103.46x = 80,717,753,021.84
  5. Step 5: Solve for x
    x = 80,717,753,021.84/325,103.46
  6. Step 6: Final answer
    x = 248,283.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.