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Finding the Fourth Proportional to 222,418.52, 333,764.72 and 87,458.84

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Solution

The fourth proportional to 222,418.52, 333,764.72 and 87,458.84 is: 131,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,418.52 : 333,764.72 = 87,458.84 : x
  2. Step 2: Convert to fraction form
    222,418.52/333,764.72 = 87,458.84/x
  3. Step 3: Cross multiply
    222,418.52x = 333,764.72 × 87,458.84
  4. Step 4: Simplify right side
    222,418.52x = 29,190,674,806.83
  5. Step 5: Solve for x
    x = 29,190,674,806.83/222,418.52
  6. Step 6: Final answer
    x = 131,242.11

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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.