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Finding the Fourth Proportional to 306,162.39, 459,252.23 and 84,546.39

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Solution

The fourth proportional to 306,162.39, 459,252.23 and 84,546.39 is: 126,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,162.39 : 459,252.23 = 84,546.39 : x
  2. Step 2: Convert to fraction form
    306,162.39/459,252.23 = 84,546.39/x
  3. Step 3: Cross multiply
    306,162.39x = 459,252.23 × 84,546.39
  4. Step 4: Simplify right side
    306,162.39x = 38,828,117,723.22
  5. Step 5: Solve for x
    x = 38,828,117,723.22/306,162.39
  6. Step 6: Final answer
    x = 126,821.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.