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Finding the Fourth Proportional to 224,350.56, 309,600.72 and 122,376.96

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Solution

The fourth proportional to 224,350.56, 309,600.72 and 122,376.96 is: 168,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,350.56 : 309,600.72 = 122,376.96 : x
  2. Step 2: Convert to fraction form
    224,350.56/309,600.72 = 122,376.96/x
  3. Step 3: Cross multiply
    224,350.56x = 309,600.72 × 122,376.96
  4. Step 4: Simplify right side
    224,350.56x = 37,887,994,927.41
  5. Step 5: Solve for x
    x = 37,887,994,927.41/224,350.56
  6. Step 6: Final answer
    x = 168,878.54

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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.