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Finding the Fourth Proportional to 303,100.96, 418,282.23 and 167,139.73

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Solution

The fourth proportional to 303,100.96, 418,282.23 and 167,139.73 is: 230,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,100.96 : 418,282.23 = 167,139.73 : x
  2. Step 2: Convert to fraction form
    303,100.96/418,282.23 = 167,139.73/x
  3. Step 3: Cross multiply
    303,100.96x = 418,282.23 × 167,139.73
  4. Step 4: Simplify right side
    303,100.96x = 69,911,578,986.00
  5. Step 5: Solve for x
    x = 69,911,578,986.00/303,100.96
  6. Step 6: Final answer
    x = 230,654.43

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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.