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Finding the Fourth Proportional to 251,361.57, 377,042.43 and 73,868.58

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Solution

The fourth proportional to 251,361.57, 377,042.43 and 73,868.58 is: 110,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,361.57 : 377,042.43 = 73,868.58 : x
  2. Step 2: Convert to fraction form
    251,361.57/377,042.43 = 73,868.58/x
  3. Step 3: Cross multiply
    251,361.57x = 377,042.43 × 73,868.58
  4. Step 4: Simplify right side
    251,361.57x = 27,851,588,903.85
  5. Step 5: Solve for x
    x = 27,851,588,903.85/251,361.57
  6. Step 6: Final answer
    x = 110,802.89

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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.