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Finding the Fourth Proportional to 274,907.73, 411,661.58 and 181,129.17

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Solution

The fourth proportional to 274,907.73, 411,661.58 and 181,129.17 is: 271,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,907.73 : 411,661.58 = 181,129.17 : x
  2. Step 2: Convert to fraction form
    274,907.73/411,661.58 = 181,129.17/x
  3. Step 3: Cross multiply
    274,907.73x = 411,661.58 × 181,129.17
  4. Step 4: Simplify right side
    274,907.73x = 74,563,919,400.64
  5. Step 5: Solve for x
    x = 74,563,919,400.64/274,907.73
  6. Step 6: Final answer
    x = 271,232.53

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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.