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Finding the Fourth Proportional to 181,480.80, 272,221.20 and 168,650.40

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Solution

The fourth proportional to 181,480.80, 272,221.20 and 168,650.40 is: 252,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,480.80 : 272,221.20 = 168,650.40 : x
  2. Step 2: Convert to fraction form
    181,480.80/272,221.20 = 168,650.40/x
  3. Step 3: Cross multiply
    181,480.80x = 272,221.20 × 168,650.40
  4. Step 4: Simplify right side
    181,480.80x = 45,910,214,268.48
  5. Step 5: Solve for x
    x = 45,910,214,268.48/181,480.80
  6. Step 6: Final answer
    x = 252,975.60

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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.