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Finding the Fourth Proportional to 264,742.88, 365,347.60 and 143,884.49

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Solution

The fourth proportional to 264,742.88, 365,347.60 and 143,884.49 is: 198,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,742.88 : 365,347.60 = 143,884.49 : x
  2. Step 2: Convert to fraction form
    264,742.88/365,347.60 = 143,884.49/x
  3. Step 3: Cross multiply
    264,742.88x = 365,347.60 × 143,884.49
  4. Step 4: Simplify right side
    264,742.88x = 52,567,853,098.72
  5. Step 5: Solve for x
    x = 52,567,853,098.72/264,742.88
  6. Step 6: Final answer
    x = 198,561.91

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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.