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Finding the Fourth Proportional to 222,560.36, 333,840.56 and 54,079.84

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Solution

The fourth proportional to 222,560.36, 333,840.56 and 54,079.84 is: 81,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,560.36 : 333,840.56 = 54,079.84 : x
  2. Step 2: Convert to fraction form
    222,560.36/333,840.56 = 54,079.84/x
  3. Step 3: Cross multiply
    222,560.36x = 333,840.56 × 54,079.84
  4. Step 4: Simplify right side
    222,560.36x = 18,054,044,070.31
  5. Step 5: Solve for x
    x = 18,054,044,070.31/222,560.36
  6. Step 6: Final answer
    x = 81,119.76

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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.