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Finding the Fourth Proportional to 172,863.44, 238,551.54 and 93,375.44

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Solution

The fourth proportional to 172,863.44, 238,551.54 and 93,375.44 is: 128,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,863.44 : 238,551.54 = 93,375.44 : x
  2. Step 2: Convert to fraction form
    172,863.44/238,551.54 = 93,375.44/x
  3. Step 3: Cross multiply
    172,863.44x = 238,551.54 × 93,375.44
  4. Step 4: Simplify right side
    172,863.44x = 22,274,855,010.18
  5. Step 5: Solve for x
    x = 22,274,855,010.18/172,863.44
  6. Step 6: Final answer
    x = 128,858.10

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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.