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Finding the Fourth Proportional to 161,325.82, 242,037.96 and 82,495.42

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Solution

The fourth proportional to 161,325.82, 242,037.96 and 82,495.42 is: 123,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,325.82 : 242,037.96 = 82,495.42 : x
  2. Step 2: Convert to fraction form
    161,325.82/242,037.96 = 82,495.42/x
  3. Step 3: Cross multiply
    161,325.82x = 242,037.96 × 82,495.42
  4. Step 4: Simplify right side
    161,325.82x = 19,967,023,166.14
  5. Step 5: Solve for x
    x = 19,967,023,166.14/161,325.82
  6. Step 6: Final answer
    x = 123,768.30

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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.