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Finding the Fourth Proportional to 77,372.79, 116,049.30 and 29,955.44

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Solution

The fourth proportional to 77,372.79, 116,049.30 and 29,955.44 is: 44,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,372.79 : 116,049.30 = 29,955.44 : x
  2. Step 2: Convert to fraction form
    77,372.79/116,049.30 = 29,955.44/x
  3. Step 3: Cross multiply
    77,372.79x = 116,049.30 × 29,955.44
  4. Step 4: Simplify right side
    77,372.79x = 3,476,307,768.30
  5. Step 5: Solve for x
    x = 3,476,307,768.30/77,372.79
  6. Step 6: Final answer
    x = 44,929.33

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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.