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Finding the Fourth Proportional to 248,885.97, 373,328.97 and 99,231.36

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Solution

The fourth proportional to 248,885.97, 373,328.97 and 99,231.36 is: 148,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,885.97 : 373,328.97 = 99,231.36 : x
  2. Step 2: Convert to fraction form
    248,885.97/373,328.97 = 99,231.36/x
  3. Step 3: Cross multiply
    248,885.97x = 373,328.97 × 99,231.36
  4. Step 4: Simplify right side
    248,885.97x = 37,045,939,553.85
  5. Step 5: Solve for x
    x = 37,045,939,553.85/248,885.97
  6. Step 6: Final answer
    x = 148,847.04

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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.