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Finding the Fourth Proportional to 114,427, 171,680.82 and 51,241.96

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Solution

The fourth proportional to 114,427, 171,680.82 and 51,241.96 is: 76,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,427 : 171,680.82 = 51,241.96 : x
  2. Step 2: Convert to fraction form
    114,427/171,680.82 = 51,241.96/x
  3. Step 3: Cross multiply
    114,427x = 171,680.82 × 51,241.96
  4. Step 4: Simplify right side
    114,427x = 8,797,261,711.21
  5. Step 5: Solve for x
    x = 8,797,261,711.21/114,427
  6. Step 6: Final answer
    x = 76,881.00

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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.