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Finding the Fourth Proportional to 264,599.10, 365,145.30 and 143,739.41

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Solution

The fourth proportional to 264,599.10, 365,145.30 and 143,739.41 is: 198,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,599.10 : 365,145.30 = 143,739.41 : x
  2. Step 2: Convert to fraction form
    264,599.10/365,145.30 = 143,739.41/x
  3. Step 3: Cross multiply
    264,599.10x = 365,145.30 × 143,739.41
  4. Step 4: Simplify right side
    264,599.10x = 52,485,768,160.55
  5. Step 5: Solve for x
    x = 52,485,768,160.55/264,599.10
  6. Step 6: Final answer
    x = 198,359.59

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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.