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Finding the Fourth Proportional to 222,598.84, 307,131.30 and 131,976.04

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Solution

The fourth proportional to 222,598.84, 307,131.30 and 131,976.04 is: 182,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,598.84 : 307,131.30 = 131,976.04 : x
  2. Step 2: Convert to fraction form
    222,598.84/307,131.30 = 131,976.04/x
  3. Step 3: Cross multiply
    222,598.84x = 307,131.30 × 131,976.04
  4. Step 4: Simplify right side
    222,598.84x = 40,533,972,734.05
  5. Step 5: Solve for x
    x = 40,533,972,734.05/222,598.84
  6. Step 6: Final answer
    x = 182,094.27

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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.