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Finding the Fourth Proportional to 58,716.78, 88,075.17 and 17,163.78

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Solution

The fourth proportional to 58,716.78, 88,075.17 and 17,163.78 is: 25,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,716.78 : 88,075.17 = 17,163.78 : x
  2. Step 2: Convert to fraction form
    58,716.78/88,075.17 = 17,163.78/x
  3. Step 3: Cross multiply
    58,716.78x = 88,075.17 × 17,163.78
  4. Step 4: Simplify right side
    58,716.78x = 1,511,702,841.34
  5. Step 5: Solve for x
    x = 1,511,702,841.34/58,716.78
  6. Step 6: Final answer
    x = 25,745.67

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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.