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Finding the Fourth Proportional to 264,742.45, 365,344.58 and 143,884.01

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Solution

The fourth proportional to 264,742.45, 365,344.58 and 143,884.01 is: 198,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,742.45 : 365,344.58 = 143,884.01 : x
  2. Step 2: Convert to fraction form
    264,742.45/365,344.58 = 143,884.01/x
  3. Step 3: Cross multiply
    264,742.45x = 365,344.58 × 143,884.01
  4. Step 4: Simplify right side
    264,742.45x = 52,567,244,475.24
  5. Step 5: Solve for x
    x = 52,567,244,475.24/264,742.45
  6. Step 6: Final answer
    x = 198,559.94

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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.