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Finding the Fourth Proportional to 181,119.60, 271,679.40 and 87,634.80

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Solution

The fourth proportional to 181,119.60, 271,679.40 and 87,634.80 is: 131,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,119.60 : 271,679.40 = 87,634.80 : x
  2. Step 2: Convert to fraction form
    181,119.60/271,679.40 = 87,634.80/x
  3. Step 3: Cross multiply
    181,119.60x = 271,679.40 × 87,634.80
  4. Step 4: Simplify right side
    181,119.60x = 23,808,569,883.12
  5. Step 5: Solve for x
    x = 23,808,569,883.12/181,119.60
  6. Step 6: Final answer
    x = 131,452.20

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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.