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Finding the Fourth Proportional to 199,796.15, 275,724.09 and 119,270.40

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Solution

The fourth proportional to 199,796.15, 275,724.09 and 119,270.40 is: 164,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,796.15 : 275,724.09 = 119,270.40 : x
  2. Step 2: Convert to fraction form
    199,796.15/275,724.09 = 119,270.40/x
  3. Step 3: Cross multiply
    199,796.15x = 275,724.09 × 119,270.40
  4. Step 4: Simplify right side
    199,796.15x = 32,885,722,503.94
  5. Step 5: Solve for x
    x = 32,885,722,503.94/199,796.15
  6. Step 6: Final answer
    x = 164,596.38

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1.5x scale

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.