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Finding the Fourth Proportional to 79,082.63, 118,625.32 and 29,137.01

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Solution

The fourth proportional to 79,082.63, 118,625.32 and 29,137.01 is: 43,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,082.63 : 118,625.32 = 29,137.01 : x
  2. Step 2: Convert to fraction form
    79,082.63/118,625.32 = 29,137.01/x
  3. Step 3: Cross multiply
    79,082.63x = 118,625.32 × 29,137.01
  4. Step 4: Simplify right side
    79,082.63x = 3,456,387,358.81
  5. Step 5: Solve for x
    x = 3,456,387,358.81/79,082.63
  6. Step 6: Final answer
    x = 43,706.03

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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.