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Finding the Fourth Proportional to 181,551.30, 271,998.90 and 148,090.20

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Solution

The fourth proportional to 181,551.30, 271,998.90 and 148,090.20 is: 221,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,551.30 : 271,998.90 = 148,090.20 : x
  2. Step 2: Convert to fraction form
    181,551.30/271,998.90 = 148,090.20/x
  3. Step 3: Cross multiply
    181,551.30x = 271,998.90 × 148,090.20
  4. Step 4: Simplify right side
    181,551.30x = 40,280,371,500.78
  5. Step 5: Solve for x
    x = 40,280,371,500.78/181,551.30
  6. Step 6: Final answer
    x = 221,867.71

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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.