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Finding the Fourth Proportional to 264,748.03, 365,354.68 and 143,889.60

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Solution

The fourth proportional to 264,748.03, 365,354.68 and 143,889.60 is: 198,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,748.03 : 365,354.68 = 143,889.60 : x
  2. Step 2: Convert to fraction form
    264,748.03/365,354.68 = 143,889.60/x
  3. Step 3: Cross multiply
    264,748.03x = 365,354.68 × 143,889.60
  4. Step 4: Simplify right side
    264,748.03x = 52,570,738,403.60
  5. Step 5: Solve for x
    x = 52,570,738,403.60/264,748.03
  6. Step 6: Final answer
    x = 198,568.95

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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.