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Finding the Fourth Proportional to 172,757.98, 238,414.14 and 101,161.08

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Solution

The fourth proportional to 172,757.98, 238,414.14 and 101,161.08 is: 139,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,757.98 : 238,414.14 = 101,161.08 : x
  2. Step 2: Convert to fraction form
    172,757.98/238,414.14 = 101,161.08/x
  3. Step 3: Cross multiply
    172,757.98x = 238,414.14 × 101,161.08
  4. Step 4: Simplify right side
    172,757.98x = 24,118,231,889.67
  5. Step 5: Solve for x
    x = 24,118,231,889.67/172,757.98
  6. Step 6: Final answer
    x = 139,607.05

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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.