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Finding the Fourth Proportional to 224,357.75, 309,615.67 and 122,383.66

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Solution

The fourth proportional to 224,357.75, 309,615.67 and 122,383.66 is: 168,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,357.75 : 309,615.67 = 122,383.66 : x
  2. Step 2: Convert to fraction form
    224,357.75/309,615.67 = 122,383.66/x
  3. Step 3: Cross multiply
    224,357.75x = 309,615.67 × 122,383.66
  4. Step 4: Simplify right side
    224,357.75x = 37,891,898,887.95
  5. Step 5: Solve for x
    x = 37,891,898,887.95/224,357.75
  6. Step 6: Final answer
    x = 168,890.53

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