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Finding the Fourth Proportional to 183,974.44, 253,885.44 and 103,405.36

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Solution

The fourth proportional to 183,974.44, 253,885.44 and 103,405.36 is: 142,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,974.44 : 253,885.44 = 103,405.36 : x
  2. Step 2: Convert to fraction form
    183,974.44/253,885.44 = 103,405.36/x
  3. Step 3: Cross multiply
    183,974.44x = 253,885.44 × 103,405.36
  4. Step 4: Simplify right side
    183,974.44x = 26,253,115,321.96
  5. Step 5: Solve for x
    x = 26,253,115,321.96/183,974.44
  6. Step 6: Final answer
    x = 142,699.80

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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.