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Finding the Fourth Proportional to 222,392, 333,622.56 and 74,682.56

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Solution

The fourth proportional to 222,392, 333,622.56 and 74,682.56 is: 112,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,392 : 333,622.56 = 74,682.56 : x
  2. Step 2: Convert to fraction form
    222,392/333,622.56 = 74,682.56/x
  3. Step 3: Cross multiply
    222,392x = 333,622.56 × 74,682.56
  4. Step 4: Simplify right side
    222,392x = 24,915,786,854.55
  5. Step 5: Solve for x
    x = 24,915,786,854.55/222,392
  6. Step 6: Final answer
    x = 112,035.45

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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.