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Finding the Fourth Proportional to 264,607.56, 365,160.96 and 143,749.77

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Solution

The fourth proportional to 264,607.56, 365,160.96 and 143,749.77 is: 198,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,607.56 : 365,160.96 = 143,749.77 : x
  2. Step 2: Convert to fraction form
    264,607.56/365,160.96 = 143,749.77/x
  3. Step 3: Cross multiply
    264,607.56x = 365,160.96 × 143,749.77
  4. Step 4: Simplify right side
    264,607.56x = 52,491,804,012.98
  5. Step 5: Solve for x
    x = 52,491,804,012.98/264,607.56
  6. Step 6: Final answer
    x = 198,376.06

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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.