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Finding the Fourth Proportional to 171,093.72, 256,862.44 and 114,529.51

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Solution

The fourth proportional to 171,093.72, 256,862.44 and 114,529.51 is: 171,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,093.72 : 256,862.44 = 114,529.51 : x
  2. Step 2: Convert to fraction form
    171,093.72/256,862.44 = 114,529.51/x
  3. Step 3: Cross multiply
    171,093.72x = 256,862.44 × 114,529.51
  4. Step 4: Simplify right side
    171,093.72x = 29,418,329,854.84
  5. Step 5: Solve for x
    x = 29,418,329,854.84/171,093.72
  6. Step 6: Final answer
    x = 171,942.78

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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.