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Finding the Fourth Proportional to 275,612.68, 380,322.24 and 166,757.56

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Solution

The fourth proportional to 275,612.68, 380,322.24 and 166,757.56 is: 230,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,612.68 : 380,322.24 = 166,757.56 : x
  2. Step 2: Convert to fraction form
    275,612.68/380,322.24 = 166,757.56/x
  3. Step 3: Cross multiply
    275,612.68x = 380,322.24 × 166,757.56
  4. Step 4: Simplify right side
    275,612.68x = 63,421,608,756.13
  5. Step 5: Solve for x
    x = 63,421,608,756.13/275,612.68
  6. Step 6: Final answer
    x = 230,111.36

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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.