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Finding the Fourth Proportional to 228,805.73, 343,210.62 and 93,943.97

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Solution

The fourth proportional to 228,805.73, 343,210.62 and 93,943.97 is: 140,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,805.73 : 343,210.62 = 93,943.97 : x
  2. Step 2: Convert to fraction form
    228,805.73/343,210.62 = 93,943.97/x
  3. Step 3: Cross multiply
    228,805.73x = 343,210.62 × 93,943.97
  4. Step 4: Simplify right side
    228,805.73x = 32,242,568,188.96
  5. Step 5: Solve for x
    x = 32,242,568,188.96/228,805.73
  6. Step 6: Final answer
    x = 140,916.79

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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.