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Finding the Fourth Proportional to 194,415.44, 268,293.31 and 104,991.44

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Solution

The fourth proportional to 194,415.44, 268,293.31 and 104,991.44 is: 144,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,415.44 : 268,293.31 = 104,991.44 : x
  2. Step 2: Convert to fraction form
    194,415.44/268,293.31 = 104,991.44/x
  3. Step 3: Cross multiply
    194,415.44x = 268,293.31 × 104,991.44
  4. Step 4: Simplify right side
    194,415.44x = 28,168,500,434.31
  5. Step 5: Solve for x
    x = 28,168,500,434.31/194,415.44
  6. Step 6: Final answer
    x = 144,888.19

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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.