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Finding the Fourth Proportional to 267,145.02, 400,865.22 and 148,883.04

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Solution

The fourth proportional to 267,145.02, 400,865.22 and 148,883.04 is: 223,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,145.02 : 400,865.22 = 148,883.04 : x
  2. Step 2: Convert to fraction form
    267,145.02/400,865.22 = 148,883.04/x
  3. Step 3: Cross multiply
    267,145.02x = 400,865.22 × 148,883.04
  4. Step 4: Simplify right side
    267,145.02x = 59,682,032,583.87
  5. Step 5: Solve for x
    x = 59,682,032,583.87/267,145.02
  6. Step 6: Final answer
    x = 223,406.87

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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.