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Finding the Fourth Proportional to 264,630.78, 365,188.95 and 143,771.22

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Solution

The fourth proportional to 264,630.78, 365,188.95 and 143,771.22 is: 198,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,630.78 : 365,188.95 = 143,771.22 : x
  2. Step 2: Convert to fraction form
    264,630.78/365,188.95 = 143,771.22/x
  3. Step 3: Cross multiply
    264,630.78x = 365,188.95 × 143,771.22
  4. Step 4: Simplify right side
    264,630.78x = 52,503,660,872.02
  5. Step 5: Solve for x
    x = 52,503,660,872.02/264,630.78
  6. Step 6: Final answer
    x = 198,403.45

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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.