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Finding the Fourth Proportional to 192,395.52, 265,505.34 and 107,512.56

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Solution

The fourth proportional to 192,395.52, 265,505.34 and 107,512.56 is: 148,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,395.52 : 265,505.34 = 107,512.56 : x
  2. Step 2: Convert to fraction form
    192,395.52/265,505.34 = 107,512.56/x
  3. Step 3: Cross multiply
    192,395.52x = 265,505.34 × 107,512.56
  4. Step 4: Simplify right side
    192,395.52x = 28,545,158,797.07
  5. Step 5: Solve for x
    x = 28,545,158,797.07/192,395.52
  6. Step 6: Final answer
    x = 148,367.07

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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.