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Finding the Fourth Proportional to 267,800.55, 369,558.21 and 149,926.05

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Solution

The fourth proportional to 267,800.55, 369,558.21 and 149,926.05 is: 206,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,800.55 : 369,558.21 = 149,926.05 : x
  2. Step 2: Convert to fraction form
    267,800.55/369,558.21 = 149,926.05/x
  3. Step 3: Cross multiply
    267,800.55x = 369,558.21 × 149,926.05
  4. Step 4: Simplify right side
    267,800.55x = 55,406,400,072.95
  5. Step 5: Solve for x
    x = 55,406,400,072.95/267,800.55
  6. Step 6: Final answer
    x = 206,894.27

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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.