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Finding the Fourth Proportional to 303,116.22, 418,324.23 and 167,162.58

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Solution

The fourth proportional to 303,116.22, 418,324.23 and 167,162.58 is: 230,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,116.22 : 418,324.23 = 167,162.58 : x
  2. Step 2: Convert to fraction form
    303,116.22/418,324.23 = 167,162.58/x
  3. Step 3: Cross multiply
    303,116.22x = 418,324.23 × 167,162.58
  4. Step 4: Simplify right side
    303,116.22x = 69,928,157,563.31
  5. Step 5: Solve for x
    x = 69,928,157,563.31/303,116.22
  6. Step 6: Final answer
    x = 230,697.51

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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.