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Finding the Fourth Proportional to 88,604.68, 132,806.44 and 77,910.34

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Solution

The fourth proportional to 88,604.68, 132,806.44 and 77,910.34 is: 116,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,604.68 : 132,806.44 = 77,910.34 : x
  2. Step 2: Convert to fraction form
    88,604.68/132,806.44 = 77,910.34/x
  3. Step 3: Cross multiply
    88,604.68x = 132,806.44 × 77,910.34
  4. Step 4: Simplify right side
    88,604.68x = 10,346,993,841.01
  5. Step 5: Solve for x
    x = 10,346,993,841.01/88,604.68
  6. Step 6: Final answer
    x = 116,777.06

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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.