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Finding the Fourth Proportional to 143,123, 214,684.59 and 44,627

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Solution

The fourth proportional to 143,123, 214,684.59 and 44,627 is: 66,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,123 : 214,684.59 = 44,627 : x
  2. Step 2: Convert to fraction form
    143,123/214,684.59 = 44,627/x
  3. Step 3: Cross multiply
    143,123x = 214,684.59 × 44,627
  4. Step 4: Simplify right side
    143,123x = 9,580,729,197.93
  5. Step 5: Solve for x
    x = 9,580,729,197.93/143,123
  6. Step 6: Final answer
    x = 66,940.53

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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.