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Finding the Fourth Proportional to 161,174.45, 241,699.44 and 54,530.12

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Solution

The fourth proportional to 161,174.45, 241,699.44 and 54,530.12 is: 81,774.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,174.45 : 241,699.44 = 54,530.12 : x
  2. Step 2: Convert to fraction form
    161,174.45/241,699.44 = 54,530.12/x
  3. Step 3: Cross multiply
    161,174.45x = 241,699.44 × 54,530.12
  4. Step 4: Simplify right side
    161,174.45x = 13,179,899,467.13
  5. Step 5: Solve for x
    x = 13,179,899,467.13/161,174.45
  6. Step 6: Final answer
    x = 81,774.12

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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.