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Finding the Fourth Proportional to 181,405.80, 271,881.90 and 92,694.60

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Solution

The fourth proportional to 181,405.80, 271,881.90 and 92,694.60 is: 138,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,405.80 : 271,881.90 = 92,694.60 : x
  2. Step 2: Convert to fraction form
    181,405.80/271,881.90 = 92,694.60/x
  3. Step 3: Cross multiply
    181,405.80x = 271,881.90 × 92,694.60
  4. Step 4: Simplify right side
    181,405.80x = 25,201,983,967.74
  5. Step 5: Solve for x
    x = 25,201,983,967.74/181,405.80
  6. Step 6: Final answer
    x = 138,926.01

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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.