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Finding the Fourth Proportional to 181,109.40, 271,712.70 and 161,523.60

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Solution

The fourth proportional to 181,109.40, 271,712.70 and 161,523.60 is: 242,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,109.40 : 271,712.70 = 161,523.60 : x
  2. Step 2: Convert to fraction form
    181,109.40/271,712.70 = 161,523.60/x
  3. Step 3: Cross multiply
    181,109.40x = 271,712.70 × 161,523.60
  4. Step 4: Simplify right side
    181,109.40x = 43,888,013,469.72
  5. Step 5: Solve for x
    x = 43,888,013,469.72/181,109.40
  6. Step 6: Final answer
    x = 242,328.74

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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.