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Finding the Fourth Proportional to 222,446.60, 333,685.47 and 89,326.95

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Solution

The fourth proportional to 222,446.60, 333,685.47 and 89,326.95 is: 133,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,446.60 : 333,685.47 = 89,326.95 : x
  2. Step 2: Convert to fraction form
    222,446.60/333,685.47 = 89,326.95/x
  3. Step 3: Cross multiply
    222,446.60x = 333,685.47 × 89,326.95
  4. Step 4: Simplify right side
    222,446.60x = 29,807,106,255.05
  5. Step 5: Solve for x
    x = 29,807,106,255.05/222,446.60
  6. Step 6: Final answer
    x = 133,996.68

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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.