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Finding the Fourth Proportional to 183,781.80, 275,308.20 and 161,863.20

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Solution

The fourth proportional to 183,781.80, 275,308.20 and 161,863.20 is: 242,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,781.80 : 275,308.20 = 161,863.20 : x
  2. Step 2: Convert to fraction form
    183,781.80/275,308.20 = 161,863.20/x
  3. Step 3: Cross multiply
    183,781.80x = 275,308.20 × 161,863.20
  4. Step 4: Simplify right side
    183,781.80x = 44,562,266,238.24
  5. Step 5: Solve for x
    x = 44,562,266,238.24/183,781.80
  6. Step 6: Final answer
    x = 242,473.77

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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.