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Finding the Fourth Proportional to 172,676.53, 238,310.67 and 101,052.28

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Solution

The fourth proportional to 172,676.53, 238,310.67 and 101,052.28 is: 139,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,676.53 : 238,310.67 = 101,052.28 : x
  2. Step 2: Convert to fraction form
    172,676.53/238,310.67 = 101,052.28/x
  3. Step 3: Cross multiply
    172,676.53x = 238,310.67 × 101,052.28
  4. Step 4: Simplify right side
    172,676.53x = 24,081,836,551.83
  5. Step 5: Solve for x
    x = 24,081,836,551.83/172,676.53
  6. Step 6: Final answer
    x = 139,462.13

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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.