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Finding the Fourth Proportional to 267,343.70, 401,020.70 and 98,777.03

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Solution

The fourth proportional to 267,343.70, 401,020.70 and 98,777.03 is: 148,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,343.70 : 401,020.70 = 98,777.03 : x
  2. Step 2: Convert to fraction form
    267,343.70/401,020.70 = 98,777.03/x
  3. Step 3: Cross multiply
    267,343.70x = 401,020.70 × 98,777.03
  4. Step 4: Simplify right side
    267,343.70x = 39,611,631,215.53
  5. Step 5: Solve for x
    x = 39,611,631,215.53/267,343.70
  6. Step 6: Final answer
    x = 148,167.44

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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.