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Finding the Fourth Proportional to 222,611.86, 333,933.18 and 89,492.21

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Solution

The fourth proportional to 222,611.86, 333,933.18 and 89,492.21 is: 134,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,611.86 : 333,933.18 = 89,492.21 : x
  2. Step 2: Convert to fraction form
    222,611.86/333,933.18 = 89,492.21/x
  3. Step 3: Cross multiply
    222,611.86x = 333,933.18 × 89,492.21
  4. Step 4: Simplify right side
    222,611.86x = 29,884,416,153.40
  5. Step 5: Solve for x
    x = 29,884,416,153.40/222,611.86
  6. Step 6: Final answer
    x = 134,244.50

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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.