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Finding the Fourth Proportional to 181,197.73, 271,818.21 and 87,636.25

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Solution

The fourth proportional to 181,197.73, 271,818.21 and 87,636.25 is: 131,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,197.73 : 271,818.21 = 87,636.25 : x
  2. Step 2: Convert to fraction form
    181,197.73/271,818.21 = 87,636.25/x
  3. Step 3: Cross multiply
    181,197.73x = 271,818.21 × 87,636.25
  4. Step 4: Simplify right side
    181,197.73x = 23,821,128,606.11
  5. Step 5: Solve for x
    x = 23,821,128,606.11/181,197.73
  6. Step 6: Final answer
    x = 131,464.83

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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.