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Finding the Fourth Proportional to 267,554.75, 401,388.44 and 99,076.46

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Solution

The fourth proportional to 267,554.75, 401,388.44 and 99,076.46 is: 148,635.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,554.75 : 401,388.44 = 99,076.46 : x
  2. Step 2: Convert to fraction form
    267,554.75/401,388.44 = 99,076.46/x
  3. Step 3: Cross multiply
    267,554.75x = 401,388.44 × 99,076.46
  4. Step 4: Simplify right side
    267,554.75x = 39,768,145,720.12
  5. Step 5: Solve for x
    x = 39,768,145,720.12/267,554.75
  6. Step 6: Final answer
    x = 148,635.54

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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.