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Finding the Fourth Proportional to 251,317.67, 376,885.22 and 137,549.57

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Solution

The fourth proportional to 251,317.67, 376,885.22 and 137,549.57 is: 206,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,317.67 : 376,885.22 = 137,549.57 : x
  2. Step 2: Convert to fraction form
    251,317.67/376,885.22 = 137,549.57/x
  3. Step 3: Cross multiply
    251,317.67x = 376,885.22 × 137,549.57
  4. Step 4: Simplify right side
    251,317.67x = 51,840,397,378.18
  5. Step 5: Solve for x
    x = 51,840,397,378.18/251,317.67
  6. Step 6: Final answer
    x = 206,274.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.