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Finding the Fourth Proportional to 222,286.88, 333,465.05 and 72,492.33

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Solution

The fourth proportional to 222,286.88, 333,465.05 and 72,492.33 is: 108,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,286.88 : 333,465.05 = 72,492.33 : x
  2. Step 2: Convert to fraction form
    222,286.88/333,465.05 = 72,492.33/x
  3. Step 3: Cross multiply
    222,286.88x = 333,465.05 × 72,492.33
  4. Step 4: Simplify right side
    222,286.88x = 24,173,658,085.60
  5. Step 5: Solve for x
    x = 24,173,658,085.60/222,286.88
  6. Step 6: Final answer
    x = 108,749.82

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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.