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Finding the Fourth Proportional to 190,796.88, 263,300.70 and 119,218.44

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Solution

The fourth proportional to 190,796.88, 263,300.70 and 119,218.44 is: 164,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,796.88 : 263,300.70 = 119,218.44 : x
  2. Step 2: Convert to fraction form
    190,796.88/263,300.70 = 119,218.44/x
  3. Step 3: Cross multiply
    190,796.88x = 263,300.70 × 119,218.44
  4. Step 4: Simplify right side
    190,796.88x = 31,390,298,704.91
  5. Step 5: Solve for x
    x = 31,390,298,704.91/190,796.88
  6. Step 6: Final answer
    x = 164,522.08

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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.