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Finding the Fourth Proportional to 181,203.60, 271,805.40 and 178,579.20

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Solution

The fourth proportional to 181,203.60, 271,805.40 and 178,579.20 is: 267,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,203.60 : 271,805.40 = 178,579.20 : x
  2. Step 2: Convert to fraction form
    181,203.60/271,805.40 = 178,579.20/x
  3. Step 3: Cross multiply
    181,203.60x = 271,805.40 × 178,579.20
  4. Step 4: Simplify right side
    181,203.60x = 48,538,790,887.68
  5. Step 5: Solve for x
    x = 48,538,790,887.68/181,203.60
  6. Step 6: Final answer
    x = 267,868.80

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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.