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Finding the Fourth Proportional to 192,358.56, 265,449.84 and 107,476.20

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Solution

The fourth proportional to 192,358.56, 265,449.84 and 107,476.20 is: 148,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,358.56 : 265,449.84 = 107,476.20 : x
  2. Step 2: Convert to fraction form
    192,358.56/265,449.84 = 107,476.20/x
  3. Step 3: Cross multiply
    192,358.56x = 265,449.84 × 107,476.20
  4. Step 4: Simplify right side
    192,358.56x = 28,529,540,093.81
  5. Step 5: Solve for x
    x = 28,529,540,093.81/192,358.56
  6. Step 6: Final answer
    x = 148,314.38

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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.