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Finding the Fourth Proportional to 167,252.72, 230,916.84 and 103,658

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Solution

The fourth proportional to 167,252.72, 230,916.84 and 103,658 is: 143,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,252.72 : 230,916.84 = 103,658 : x
  2. Step 2: Convert to fraction form
    167,252.72/230,916.84 = 103,658/x
  3. Step 3: Cross multiply
    167,252.72x = 230,916.84 × 103,658
  4. Step 4: Simplify right side
    167,252.72x = 23,936,377,800.72
  5. Step 5: Solve for x
    x = 23,936,377,800.72/167,252.72
  6. Step 6: Final answer
    x = 143,115.03

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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.