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Finding the Fourth Proportional to 251,541, 377,220.15 and 137,773.26

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Solution

The fourth proportional to 251,541, 377,220.15 and 137,773.26 is: 206,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,541 : 377,220.15 = 137,773.26 : x
  2. Step 2: Convert to fraction form
    251,541/377,220.15 = 137,773.26/x
  3. Step 3: Cross multiply
    251,541x = 377,220.15 × 137,773.26
  4. Step 4: Simplify right side
    251,541x = 51,970,849,803.19
  5. Step 5: Solve for x
    x = 51,970,849,803.19/251,541
  6. Step 6: Final answer
    x = 206,609.86

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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.