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Finding the Fourth Proportional to 228,760.69, 343,138.38 and 93,794.62

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Solution

The fourth proportional to 228,760.69, 343,138.38 and 93,794.62 is: 140,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,760.69 : 343,138.38 = 93,794.62 : x
  2. Step 2: Convert to fraction form
    228,760.69/343,138.38 = 93,794.62/x
  3. Step 3: Cross multiply
    228,760.69x = 343,138.38 × 93,794.62
  4. Step 4: Simplify right side
    228,760.69x = 32,184,533,959.52
  5. Step 5: Solve for x
    x = 32,184,533,959.52/228,760.69
  6. Step 6: Final answer
    x = 140,690.84

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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.