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Finding the Fourth Proportional to 303,020.97, 418,161.24 and 167,051.76

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Solution

The fourth proportional to 303,020.97, 418,161.24 and 167,051.76 is: 230,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,020.97 : 418,161.24 = 167,051.76 : x
  2. Step 2: Convert to fraction form
    303,020.97/418,161.24 = 167,051.76/x
  3. Step 3: Cross multiply
    303,020.97x = 418,161.24 × 167,051.76
  4. Step 4: Simplify right side
    303,020.97x = 69,854,571,105.78
  5. Step 5: Solve for x
    x = 69,854,571,105.78/303,020.97
  6. Step 6: Final answer
    x = 230,527.18

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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.