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Finding the Fourth Proportional to 221,241.75, 331,862.81 and 94,799.97

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Solution

The fourth proportional to 221,241.75, 331,862.81 and 94,799.97 is: 142,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,241.75 : 331,862.81 = 94,799.97 : x
  2. Step 2: Convert to fraction form
    221,241.75/331,862.81 = 94,799.97/x
  3. Step 3: Cross multiply
    221,241.75x = 331,862.81 × 94,799.97
  4. Step 4: Simplify right side
    221,241.75x = 31,460,583,958.12
  5. Step 5: Solve for x
    x = 31,460,583,958.12/221,241.75
  6. Step 6: Final answer
    x = 142,200.03

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1.5x scale

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.