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Finding the Fourth Proportional to 303,048.84, 418,206.83 and 167,081.84

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Solution

The fourth proportional to 303,048.84, 418,206.83 and 167,081.84 is: 230,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,048.84 : 418,206.83 = 167,081.84 : x
  2. Step 2: Convert to fraction form
    303,048.84/418,206.83 = 167,081.84/x
  3. Step 3: Cross multiply
    303,048.84x = 418,206.83 × 167,081.84
  4. Step 4: Simplify right side
    303,048.84x = 69,874,764,565.93
  5. Step 5: Solve for x
    x = 69,874,764,565.93/303,048.84
  6. Step 6: Final answer
    x = 230,572.62

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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.