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Finding the Fourth Proportional to 222,670.40, 333,922.62 and 89,505.78

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Solution

The fourth proportional to 222,670.40, 333,922.62 and 89,505.78 is: 134,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,670.40 : 333,922.62 = 89,505.78 : x
  2. Step 2: Convert to fraction form
    222,670.40/333,922.62 = 89,505.78/x
  3. Step 3: Cross multiply
    222,670.40x = 333,922.62 × 89,505.78
  4. Step 4: Simplify right side
    222,670.40x = 29,888,004,562.74
  5. Step 5: Solve for x
    x = 29,888,004,562.74/222,670.40
  6. Step 6: Final answer
    x = 134,225.31

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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.