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Finding the Fourth Proportional to 274,618.26, 411,966.36 and 85,093.52

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Solution

The fourth proportional to 274,618.26, 411,966.36 and 85,093.52 is: 127,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,618.26 : 411,966.36 = 85,093.52 : x
  2. Step 2: Convert to fraction form
    274,618.26/411,966.36 = 85,093.52/x
  3. Step 3: Cross multiply
    274,618.26x = 411,966.36 × 85,093.52
  4. Step 4: Simplify right side
    274,618.26x = 35,055,665,634.16
  5. Step 5: Solve for x
    x = 35,055,665,634.16/274,618.26
  6. Step 6: Final answer
    x = 127,652.35

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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.