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Finding the Fourth Proportional to 117,965.34, 176,800.28 and 92,906.46

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Solution

The fourth proportional to 117,965.34, 176,800.28 and 92,906.46 is: 139,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,965.34 : 176,800.28 = 92,906.46 : x
  2. Step 2: Convert to fraction form
    117,965.34/176,800.28 = 92,906.46/x
  3. Step 3: Cross multiply
    117,965.34x = 176,800.28 × 92,906.46
  4. Step 4: Simplify right side
    117,965.34x = 16,425,887,677.28
  5. Step 5: Solve for x
    x = 16,425,887,677.28/117,965.34
  6. Step 6: Final answer
    x = 139,243.34

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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.