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Finding the Fourth Proportional to 271,813.78, 375,101.54 and 149,308.56

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Solution

The fourth proportional to 271,813.78, 375,101.54 and 149,308.56 is: 206,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,813.78 : 375,101.54 = 149,308.56 : x
  2. Step 2: Convert to fraction form
    271,813.78/375,101.54 = 149,308.56/x
  3. Step 3: Cross multiply
    271,813.78x = 375,101.54 × 149,308.56
  4. Step 4: Simplify right side
    271,813.78x = 56,005,870,791.18
  5. Step 5: Solve for x
    x = 56,005,870,791.18/271,813.78
  6. Step 6: Final answer
    x = 206,045.00

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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.