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Finding the Fourth Proportional to 274,544.00, 411,719.52 and 82,361.12

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Solution

The fourth proportional to 274,544.00, 411,719.52 and 82,361.12 is: 123,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,544.00 : 411,719.52 = 82,361.12 : x
  2. Step 2: Convert to fraction form
    274,544.00/411,719.52 = 82,361.12/x
  3. Step 3: Cross multiply
    274,544.00x = 411,719.52 × 82,361.12
  4. Step 4: Simplify right side
    274,544.00x = 33,909,681,822.36
  5. Step 5: Solve for x
    x = 33,909,681,822.36/274,544.00
  6. Step 6: Final answer
    x = 123,512.74

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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.