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Finding the Fourth Proportional to 192,268.79, 288,213.63 and 67,522.31

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Solution

The fourth proportional to 192,268.79, 288,213.63 and 67,522.31 is: 101,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,268.79 : 288,213.63 = 67,522.31 : x
  2. Step 2: Convert to fraction form
    192,268.79/288,213.63 = 67,522.31/x
  3. Step 3: Cross multiply
    192,268.79x = 288,213.63 × 67,522.31
  4. Step 4: Simplify right side
    192,268.79x = 19,460,848,630.02
  5. Step 5: Solve for x
    x = 19,460,848,630.02/192,268.79
  6. Step 6: Final answer
    x = 101,216.89

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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.