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Finding the Fourth Proportional to 162,760.80, 244,141.20 and 84,028.80

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Solution

The fourth proportional to 162,760.80, 244,141.20 and 84,028.80 is: 126,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,760.80 : 244,141.20 = 84,028.80 : x
  2. Step 2: Convert to fraction form
    162,760.80/244,141.20 = 84,028.80/x
  3. Step 3: Cross multiply
    162,760.80x = 244,141.20 × 84,028.80
  4. Step 4: Simplify right side
    162,760.80x = 20,514,892,066.56
  5. Step 5: Solve for x
    x = 20,514,892,066.56/162,760.80
  6. Step 6: Final answer
    x = 126,043.20

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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.