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Finding the Fourth Proportional to 85,156.88, 127,736.12 and 29,753.04

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Solution

The fourth proportional to 85,156.88, 127,736.12 and 29,753.04 is: 44,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156.88 : 127,736.12 = 29,753.04 : x
  2. Step 2: Convert to fraction form
    85,156.88/127,736.12 = 29,753.04/x
  3. Step 3: Cross multiply
    85,156.88x = 127,736.12 × 29,753.04
  4. Step 4: Simplify right side
    85,156.88x = 3,800,537,887.80
  5. Step 5: Solve for x
    x = 3,800,537,887.80/85,156.88
  6. Step 6: Final answer
    x = 44,629.84

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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.