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Finding the Fourth Proportional to 264,809.08, 365,443.50 and 143,958.52

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Solution

The fourth proportional to 264,809.08, 365,443.50 and 143,958.52 is: 198,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,809.08 : 365,443.50 = 143,958.52 : x
  2. Step 2: Convert to fraction form
    264,809.08/365,443.50 = 143,958.52/x
  3. Step 3: Cross multiply
    264,809.08x = 365,443.50 × 143,958.52
  4. Step 4: Simplify right side
    264,809.08x = 52,608,705,403.62
  5. Step 5: Solve for x
    x = 52,608,705,403.62/264,809.08
  6. Step 6: Final answer
    x = 198,666.55

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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.