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Finding the Fourth Proportional to 181,103.60, 271,436.70 and 92,311.40

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Solution

The fourth proportional to 181,103.60, 271,436.70 and 92,311.40 is: 138,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,103.60 : 271,436.70 = 92,311.40 : x
  2. Step 2: Convert to fraction form
    181,103.60/271,436.70 = 92,311.40/x
  3. Step 3: Cross multiply
    181,103.60x = 271,436.70 × 92,311.40
  4. Step 4: Simplify right side
    181,103.60x = 25,056,701,788.38
  5. Step 5: Solve for x
    x = 25,056,701,788.38/181,103.60
  6. Step 6: Final answer
    x = 138,355.63

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1.5x scale

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.