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Finding the Fourth Proportional to 264,636.70, 365,200.40 and 143,777.96

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Solution

The fourth proportional to 264,636.70, 365,200.40 and 143,777.96 is: 198,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,636.70 : 365,200.40 = 143,777.96 : x
  2. Step 2: Convert to fraction form
    264,636.70/365,200.40 = 143,777.96/x
  3. Step 3: Cross multiply
    264,636.70x = 365,200.40 × 143,777.96
  4. Step 4: Simplify right side
    264,636.70x = 52,507,768,503.18
  5. Step 5: Solve for x
    x = 52,507,768,503.18/264,636.70
  6. Step 6: Final answer
    x = 198,414.54

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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.