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Finding the Fourth Proportional to 172,966.41, 259,524.54 and 92,910.96

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Solution

The fourth proportional to 172,966.41, 259,524.54 and 92,910.96 is: 139,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,966.41 : 259,524.54 = 92,910.96 : x
  2. Step 2: Convert to fraction form
    172,966.41/259,524.54 = 92,910.96/x
  3. Step 3: Cross multiply
    172,966.41x = 259,524.54 × 92,910.96
  4. Step 4: Simplify right side
    172,966.41x = 24,112,674,871.37
  5. Step 5: Solve for x
    x = 24,112,674,871.37/172,966.41
  6. Step 6: Final answer
    x = 139,406.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.