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Finding the Fourth Proportional to 222,756.40, 334,069.80 and 122,964.40

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Solution

The fourth proportional to 222,756.40, 334,069.80 and 122,964.40 is: 184,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,756.40 : 334,069.80 = 122,964.40 : x
  2. Step 2: Convert to fraction form
    222,756.40/334,069.80 = 122,964.40/x
  3. Step 3: Cross multiply
    222,756.40x = 334,069.80 × 122,964.40
  4. Step 4: Simplify right side
    222,756.40x = 41,078,692,515.12
  5. Step 5: Solve for x
    x = 41,078,692,515.12/222,756.40
  6. Step 6: Final answer
    x = 184,410.83

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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.