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Finding the Fourth Proportional to 181,092.60, 271,420.20 and 92,300.40

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Solution

The fourth proportional to 181,092.60, 271,420.20 and 92,300.40 is: 138,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,092.60 : 271,420.20 = 92,300.40 : x
  2. Step 2: Convert to fraction form
    181,092.60/271,420.20 = 92,300.40/x
  3. Step 3: Cross multiply
    181,092.60x = 271,420.20 × 92,300.40
  4. Step 4: Simplify right side
    181,092.60x = 25,052,193,028.08
  5. Step 5: Solve for x
    x = 25,052,193,028.08/181,092.60
  6. Step 6: Final answer
    x = 138,339.13

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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.