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Finding the Fourth Proportional to 192,057.76, 265,039.32 and 107,169.76

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Solution

The fourth proportional to 192,057.76, 265,039.32 and 107,169.76 is: 147,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,057.76 : 265,039.32 = 107,169.76 : x
  2. Step 2: Convert to fraction form
    192,057.76/265,039.32 = 107,169.76/x
  3. Step 3: Cross multiply
    192,057.76x = 265,039.32 × 107,169.76
  4. Step 4: Simplify right side
    192,057.76x = 28,404,200,314.96
  5. Step 5: Solve for x
    x = 28,404,200,314.96/192,057.76
  6. Step 6: Final answer
    x = 147,894.05

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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.