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Finding the Fourth Proportional to 264,380.67, 364,845.76 and 143,522.02

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Solution

The fourth proportional to 264,380.67, 364,845.76 and 143,522.02 is: 198,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,380.67 : 364,845.76 = 143,522.02 : x
  2. Step 2: Convert to fraction form
    264,380.67/364,845.76 = 143,522.02/x
  3. Step 3: Cross multiply
    264,380.67x = 364,845.76 × 143,522.02
  4. Step 4: Simplify right side
    264,380.67x = 52,363,399,192.72
  5. Step 5: Solve for x
    x = 52,363,399,192.72/264,380.67
  6. Step 6: Final answer
    x = 198,060.62

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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.