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Finding the Fourth Proportional to 172,997.56, 238,736.82 and 101,363.32

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Solution

The fourth proportional to 172,997.56, 238,736.82 and 101,363.32 is: 139,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,997.56 : 238,736.82 = 101,363.32 : x
  2. Step 2: Convert to fraction form
    172,997.56/238,736.82 = 101,363.32/x
  3. Step 3: Cross multiply
    172,997.56x = 238,736.82 × 101,363.32
  4. Step 4: Simplify right side
    172,997.56x = 24,199,156,681.44
  5. Step 5: Solve for x
    x = 24,199,156,681.44/172,997.56
  6. Step 6: Final answer
    x = 139,881.49

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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.