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Finding the Fourth Proportional to 192,660.63, 265,872.42 and 107,777.76

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Solution

The fourth proportional to 192,660.63, 265,872.42 and 107,777.76 is: 148,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,660.63 : 265,872.42 = 107,777.76 : x
  2. Step 2: Convert to fraction form
    192,660.63/265,872.42 = 107,777.76/x
  3. Step 3: Cross multiply
    192,660.63x = 265,872.42 × 107,777.76
  4. Step 4: Simplify right side
    192,660.63x = 28,655,133,873.38
  5. Step 5: Solve for x
    x = 28,655,133,873.38/192,660.63
  6. Step 6: Final answer
    x = 148,733.73

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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.