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Finding the Fourth Proportional to 117,676.92, 162,387.24 and 63,961.46

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Solution

The fourth proportional to 117,676.92, 162,387.24 and 63,961.46 is: 88,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,676.92 : 162,387.24 = 63,961.46 : x
  2. Step 2: Convert to fraction form
    117,676.92/162,387.24 = 63,961.46/x
  3. Step 3: Cross multiply
    117,676.92x = 162,387.24 × 63,961.46
  4. Step 4: Simplify right side
    117,676.92x = 10,386,524,955.77
  5. Step 5: Solve for x
    x = 10,386,524,955.77/117,676.92
  6. Step 6: Final answer
    x = 88,263.06

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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.