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Finding the Fourth Proportional to 303,161.80, 418,370.01 and 167,199.82

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Solution

The fourth proportional to 303,161.80, 418,370.01 and 167,199.82 is: 230,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,161.80 : 418,370.01 = 167,199.82 : x
  2. Step 2: Convert to fraction form
    303,161.80/418,370.01 = 167,199.82/x
  3. Step 3: Cross multiply
    303,161.80x = 418,370.01 × 167,199.82
  4. Step 4: Simplify right side
    303,161.80x = 69,951,390,365.40
  5. Step 5: Solve for x
    x = 69,951,390,365.40/303,161.80
  6. Step 6: Final answer
    x = 230,739.46

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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.