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Finding the Fourth Proportional to 88,676.40, 132,841.80 and 53,511.60

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Solution

The fourth proportional to 88,676.40, 132,841.80 and 53,511.60 is: 80,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.40 : 132,841.80 = 53,511.60 : x
  2. Step 2: Convert to fraction form
    88,676.40/132,841.80 = 53,511.60/x
  3. Step 3: Cross multiply
    88,676.40x = 132,841.80 × 53,511.60
  4. Step 4: Simplify right side
    88,676.40x = 7,108,577,264.88
  5. Step 5: Solve for x
    x = 7,108,577,264.88/88,676.40
  6. Step 6: Final answer
    x = 80,163.12

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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.