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Finding the Fourth Proportional to 180,615.40, 270,663.90 and 132,857.80

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Solution

The fourth proportional to 180,615.40, 270,663.90 and 132,857.80 is: 199,096.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,615.40 : 270,663.90 = 132,857.80 : x
  2. Step 2: Convert to fraction form
    180,615.40/270,663.90 = 132,857.80/x
  3. Step 3: Cross multiply
    180,615.40x = 270,663.90 × 132,857.80
  4. Step 4: Simplify right side
    180,615.40x = 35,959,810,293.42
  5. Step 5: Solve for x
    x = 35,959,810,293.42/180,615.40
  6. Step 6: Final answer
    x = 199,096.04

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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.