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Finding the Fourth Proportional to 298,589.25, 448,076.57 and 109,033.76

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Solution

The fourth proportional to 298,589.25, 448,076.57 and 109,033.76 is: 163,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,589.25 : 448,076.57 = 109,033.76 : x
  2. Step 2: Convert to fraction form
    298,589.25/448,076.57 = 109,033.76/x
  3. Step 3: Cross multiply
    298,589.25x = 448,076.57 × 109,033.76
  4. Step 4: Simplify right side
    298,589.25x = 48,855,473,195.00
  5. Step 5: Solve for x
    x = 48,855,473,195.00/298,589.25
  6. Step 6: Final answer
    x = 163,621.01

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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.