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Finding the Fourth Proportional to 271,904.49, 375,238.86 and 186,043.57

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Solution

The fourth proportional to 271,904.49, 375,238.86 and 186,043.57 is: 256,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,904.49 : 375,238.86 = 186,043.57 : x
  2. Step 2: Convert to fraction form
    271,904.49/375,238.86 = 186,043.57/x
  3. Step 3: Cross multiply
    271,904.49x = 375,238.86 × 186,043.57
  4. Step 4: Simplify right side
    271,904.49x = 69,810,775,240.94
  5. Step 5: Solve for x
    x = 69,810,775,240.94/271,904.49
  6. Step 6: Final answer
    x = 256,747.41

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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.