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Finding the Fourth Proportional to 248,882.88, 373,343.04 and 71,388.48

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Solution

The fourth proportional to 248,882.88, 373,343.04 and 71,388.48 is: 107,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,882.88 : 373,343.04 = 71,388.48 : x
  2. Step 2: Convert to fraction form
    248,882.88/373,343.04 = 71,388.48/x
  3. Step 3: Cross multiply
    248,882.88x = 373,343.04 × 71,388.48
  4. Step 4: Simplify right side
    248,882.88x = 26,652,392,144.18
  5. Step 5: Solve for x
    x = 26,652,392,144.18/248,882.88
  6. Step 6: Final answer
    x = 107,088.09

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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.