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Finding the Fourth Proportional to 204,355.28, 306,533.04 and 56,611.28

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Solution

The fourth proportional to 204,355.28, 306,533.04 and 56,611.28 is: 84,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,355.28 : 306,533.04 = 56,611.28 : x
  2. Step 2: Convert to fraction form
    204,355.28/306,533.04 = 56,611.28/x
  3. Step 3: Cross multiply
    204,355.28x = 306,533.04 × 56,611.28
  4. Step 4: Simplify right side
    204,355.28x = 17,353,227,756.69
  5. Step 5: Solve for x
    x = 17,353,227,756.69/204,355.28
  6. Step 6: Final answer
    x = 84,916.95

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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.