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Finding the Fourth Proportional to 268,604.02, 370,665.81 and 147,745.30

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Solution

The fourth proportional to 268,604.02, 370,665.81 and 147,745.30 is: 203,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,604.02 : 370,665.81 = 147,745.30 : x
  2. Step 2: Convert to fraction form
    268,604.02/370,665.81 = 147,745.30/x
  3. Step 3: Cross multiply
    268,604.02x = 370,665.81 × 147,745.30
  4. Step 4: Simplify right side
    268,604.02x = 54,764,130,371.53
  5. Step 5: Solve for x
    x = 54,764,130,371.53/268,604.02
  6. Step 6: Final answer
    x = 203,884.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.