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Finding the Fourth Proportional to 264,988.56, 365,691 and 144,136.72

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Solution

The fourth proportional to 264,988.56, 365,691 and 144,136.72 is: 198,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,988.56 : 365,691 = 144,136.72 : x
  2. Step 2: Convert to fraction form
    264,988.56/365,691 = 144,136.72/x
  3. Step 3: Cross multiply
    264,988.56x = 365,691 × 144,136.72
  4. Step 4: Simplify right side
    264,988.56x = 52,709,501,273.52
  5. Step 5: Solve for x
    x = 52,709,501,273.52/264,988.56
  6. Step 6: Final answer
    x = 198,912.37

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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.