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Finding the Fourth Proportional to 84,754.88, 116,961.36 and 47,029.04

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Solution

The fourth proportional to 84,754.88, 116,961.36 and 47,029.04 is: 64,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,754.88 : 116,961.36 = 47,029.04 : x
  2. Step 2: Convert to fraction form
    84,754.88/116,961.36 = 47,029.04/x
  3. Step 3: Cross multiply
    84,754.88x = 116,961.36 × 47,029.04
  4. Step 4: Simplify right side
    84,754.88x = 5,500,580,477.89
  5. Step 5: Solve for x
    x = 5,500,580,477.89/84,754.88
  6. Step 6: Final answer
    x = 64,899.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.