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Finding the Fourth Proportional to 222,643.36, 333,980.43 and 89,523.64

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Solution

The fourth proportional to 222,643.36, 333,980.43 and 89,523.64 is: 134,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,643.36 : 333,980.43 = 89,523.64 : x
  2. Step 2: Convert to fraction form
    222,643.36/333,980.43 = 89,523.64/x
  3. Step 3: Cross multiply
    222,643.36x = 333,980.43 × 89,523.64
  4. Step 4: Simplify right side
    222,643.36x = 29,899,143,782.37
  5. Step 5: Solve for x
    x = 29,899,143,782.37/222,643.36
  6. Step 6: Final answer
    x = 134,291.65

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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.