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Finding the Fourth Proportional to 298,853.80, 448,350.77 and 118,950.12

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Solution

The fourth proportional to 298,853.80, 448,350.77 and 118,950.12 is: 178,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,853.80 : 448,350.77 = 118,950.12 : x
  2. Step 2: Convert to fraction form
    298,853.80/448,350.77 = 118,950.12/x
  3. Step 3: Cross multiply
    298,853.80x = 448,350.77 × 118,950.12
  4. Step 4: Simplify right side
    298,853.80x = 53,331,378,190.97
  5. Step 5: Solve for x
    x = 53,331,378,190.97/298,853.80
  6. Step 6: Final answer
    x = 178,453.07

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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.