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Finding the Fourth Proportional to 228,467.03, 342,497.12 and 108,449.95

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Solution

The fourth proportional to 228,467.03, 342,497.12 and 108,449.95 is: 162,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,467.03 : 342,497.12 = 108,449.95 : x
  2. Step 2: Convert to fraction form
    228,467.03/342,497.12 = 108,449.95/x
  3. Step 3: Cross multiply
    228,467.03x = 342,497.12 × 108,449.95
  4. Step 4: Simplify right side
    228,467.03x = 37,143,793,284.41
  5. Step 5: Solve for x
    x = 37,143,793,284.41/228,467.03
  6. Step 6: Final answer
    x = 162,578.35

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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.