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Finding the Fourth Proportional to 224,181.60, 309,366.60 and 122,207.94

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Solution

The fourth proportional to 224,181.60, 309,366.60 and 122,207.94 is: 168,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,181.60 : 309,366.60 = 122,207.94 : x
  2. Step 2: Convert to fraction form
    224,181.60/309,366.60 = 122,207.94/x
  3. Step 3: Cross multiply
    224,181.60x = 309,366.60 × 122,207.94
  4. Step 4: Simplify right side
    224,181.60x = 37,807,054,890.80
  5. Step 5: Solve for x
    x = 37,807,054,890.80/224,181.60
  6. Step 6: Final answer
    x = 168,644.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.