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Finding the Fourth Proportional to 172,954, 238,676.84 and 93,466

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Solution

The fourth proportional to 172,954, 238,676.84 and 93,466 is: 128,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,954 : 238,676.84 = 93,466 : x
  2. Step 2: Convert to fraction form
    172,954/238,676.84 = 93,466/x
  3. Step 3: Cross multiply
    172,954x = 238,676.84 × 93,466
  4. Step 4: Simplify right side
    172,954x = 22,308,169,527.44
  5. Step 5: Solve for x
    x = 22,308,169,527.44/172,954
  6. Step 6: Final answer
    x = 128,983.25

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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.