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Finding the Fourth Proportional to 192,729.88, 265,978.38 and 107,846.20

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Solution

The fourth proportional to 192,729.88, 265,978.38 and 107,846.20 is: 148,833.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,729.88 : 265,978.38 = 107,846.20 : x
  2. Step 2: Convert to fraction form
    192,729.88/265,978.38 = 107,846.20/x
  3. Step 3: Cross multiply
    192,729.88x = 265,978.38 × 107,846.20
  4. Step 4: Simplify right side
    192,729.88x = 28,684,757,565.16
  5. Step 5: Solve for x
    x = 28,684,757,565.16/192,729.88
  6. Step 6: Final answer
    x = 148,833.99

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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.