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Finding the Fourth Proportional to 117,676.35, 162,393.57 and 63,961.22

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Solution

The fourth proportional to 117,676.35, 162,393.57 and 63,961.22 is: 88,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,676.35 : 162,393.57 = 63,961.22 : x
  2. Step 2: Convert to fraction form
    117,676.35/162,393.57 = 63,961.22/x
  3. Step 3: Cross multiply
    117,676.35x = 162,393.57 × 63,961.22
  4. Step 4: Simplify right side
    117,676.35x = 10,386,891,263.34
  5. Step 5: Solve for x
    x = 10,386,891,263.34/117,676.35
  6. Step 6: Final answer
    x = 88,266.60

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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.