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Finding the Fourth Proportional to 265,942.59, 366,993.48 and 145,083.84

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Solution

The fourth proportional to 265,942.59, 366,993.48 and 145,083.84 is: 200,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,942.59 : 366,993.48 = 145,083.84 : x
  2. Step 2: Convert to fraction form
    265,942.59/366,993.48 = 145,083.84/x
  3. Step 3: Cross multiply
    265,942.59x = 366,993.48 × 145,083.84
  4. Step 4: Simplify right side
    265,942.59x = 53,244,823,877.43
  5. Step 5: Solve for x
    x = 53,244,823,877.43/265,942.59
  6. Step 6: Final answer
    x = 200,211.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.