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Finding the Fourth Proportional to 271,916.66, 375,238.25 and 151,058.24

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Solution

The fourth proportional to 271,916.66, 375,238.25 and 151,058.24 is: 208,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,916.66 : 375,238.25 = 151,058.24 : x
  2. Step 2: Convert to fraction form
    271,916.66/375,238.25 = 151,058.24/x
  3. Step 3: Cross multiply
    271,916.66x = 375,238.25 × 151,058.24
  4. Step 4: Simplify right side
    271,916.66x = 56,682,826,994.20
  5. Step 5: Solve for x
    x = 56,682,826,994.20/271,916.66
  6. Step 6: Final answer
    x = 208,456.62

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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.