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Finding the Fourth Proportional to 192,238.08, 288,153 and 113,389.44

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Solution

The fourth proportional to 192,238.08, 288,153 and 113,389.44 is: 169,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,238.08 : 288,153 = 113,389.44 : x
  2. Step 2: Convert to fraction form
    192,238.08/288,153 = 113,389.44/x
  3. Step 3: Cross multiply
    192,238.08x = 288,153 × 113,389.44
  4. Step 4: Simplify right side
    192,238.08x = 32,673,507,304.32
  5. Step 5: Solve for x
    x = 32,673,507,304.32/192,238.08
  6. Step 6: Final answer
    x = 169,963.76

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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.