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Finding the Fourth Proportional to 274,798.08, 379,150.56 and 161,599.68

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Solution

The fourth proportional to 274,798.08, 379,150.56 and 161,599.68 is: 222,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,798.08 : 379,150.56 = 161,599.68 : x
  2. Step 2: Convert to fraction form
    274,798.08/379,150.56 = 161,599.68/x
  3. Step 3: Cross multiply
    274,798.08x = 379,150.56 × 161,599.68
  4. Step 4: Simplify right side
    274,798.08x = 61,270,609,167.82
  5. Step 5: Solve for x
    x = 61,270,609,167.82/274,798.08
  6. Step 6: Final answer
    x = 222,965.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.