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Finding the Fourth Proportional to 172,676.28, 238,310.33 and 101,052.03

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Solution

The fourth proportional to 172,676.28, 238,310.33 and 101,052.03 is: 139,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,676.28 : 238,310.33 = 101,052.03 : x
  2. Step 2: Convert to fraction form
    172,676.28/238,310.33 = 101,052.03/x
  3. Step 3: Cross multiply
    172,676.28x = 238,310.33 × 101,052.03
  4. Step 4: Simplify right side
    172,676.28x = 24,081,742,111.21
  5. Step 5: Solve for x
    x = 24,081,742,111.21/172,676.28
  6. Step 6: Final answer
    x = 139,461.78

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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.