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Finding the Fourth Proportional to 79,082.84, 118,619.14 and 29,833.56

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Solution

The fourth proportional to 79,082.84, 118,619.14 and 29,833.56 is: 44,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,082.84 : 118,619.14 = 29,833.56 : x
  2. Step 2: Convert to fraction form
    79,082.84/118,619.14 = 29,833.56/x
  3. Step 3: Cross multiply
    79,082.84x = 118,619.14 × 29,833.56
  4. Step 4: Simplify right side
    79,082.84x = 3,538,831,230.34
  5. Step 5: Solve for x
    x = 3,538,831,230.34/79,082.84
  6. Step 6: Final answer
    x = 44,748.41

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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.