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Finding the Fourth Proportional to 143,361.02, 214,907.23 and 48,524.84

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Solution

The fourth proportional to 143,361.02, 214,907.23 and 48,524.84 is: 72,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,361.02 : 214,907.23 = 48,524.84 : x
  2. Step 2: Convert to fraction form
    143,361.02/214,907.23 = 48,524.84/x
  3. Step 3: Cross multiply
    143,361.02x = 214,907.23 × 48,524.84
  4. Step 4: Simplify right side
    143,361.02x = 10,428,338,469.66
  5. Step 5: Solve for x
    x = 10,428,338,469.66/143,361.02
  6. Step 6: Final answer
    x = 72,741.80

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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.