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Finding the Fourth Proportional to 204,812.25, 307,270.22 and 57,068.25

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Solution

The fourth proportional to 204,812.25, 307,270.22 and 57,068.25 is: 85,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,812.25 : 307,270.22 = 57,068.25 : x
  2. Step 2: Convert to fraction form
    204,812.25/307,270.22 = 57,068.25/x
  3. Step 3: Cross multiply
    204,812.25x = 307,270.22 × 57,068.25
  4. Step 4: Simplify right side
    204,812.25x = 17,535,373,447.17
  5. Step 5: Solve for x
    x = 17,535,373,447.17/204,812.25
  6. Step 6: Final answer
    x = 85,616.82

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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.