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Finding the Fourth Proportional to 204,361.28, 306,542.04 and 56,617.28

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Solution

The fourth proportional to 204,361.28, 306,542.04 and 56,617.28 is: 84,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,361.28 : 306,542.04 = 56,617.28 : x
  2. Step 2: Convert to fraction form
    204,361.28/306,542.04 = 56,617.28/x
  3. Step 3: Cross multiply
    204,361.28x = 306,542.04 × 56,617.28
  4. Step 4: Simplify right side
    204,361.28x = 17,355,576,510.45
  5. Step 5: Solve for x
    x = 17,355,576,510.45/204,361.28
  6. Step 6: Final answer
    x = 84,925.95

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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.