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Finding the Fourth Proportional to 161,373.33, 241,896.51 and 81,168.96

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Solution

The fourth proportional to 161,373.33, 241,896.51 and 81,168.96 is: 121,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,373.33 : 241,896.51 = 81,168.96 : x
  2. Step 2: Convert to fraction form
    161,373.33/241,896.51 = 81,168.96/x
  3. Step 3: Cross multiply
    161,373.33x = 241,896.51 × 81,168.96
  4. Step 4: Simplify right side
    161,373.33x = 19,634,488,144.33
  5. Step 5: Solve for x
    x = 19,634,488,144.33/161,373.33
  6. Step 6: Final answer
    x = 121,671.21

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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.