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Finding the Fourth Proportional to 228,000.21, 341,815.83 and 94,980.39

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Solution

The fourth proportional to 228,000.21, 341,815.83 and 94,980.39 is: 142,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,000.21 : 341,815.83 = 94,980.39 : x
  2. Step 2: Convert to fraction form
    228,000.21/341,815.83 = 94,980.39/x
  3. Step 3: Cross multiply
    228,000.21x = 341,815.83 × 94,980.39
  4. Step 4: Simplify right side
    228,000.21x = 32,465,800,841.57
  5. Step 5: Solve for x
    x = 32,465,800,841.57/228,000.21
  6. Step 6: Final answer
    x = 142,393.73

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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.