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Finding the Fourth Proportional to 151,080.40, 226,642.20 and 51,245.20

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Solution

The fourth proportional to 151,080.40, 226,642.20 and 51,245.20 is: 76,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,080.40 : 226,642.20 = 51,245.20 : x
  2. Step 2: Convert to fraction form
    151,080.40/226,642.20 = 51,245.20/x
  3. Step 3: Cross multiply
    151,080.40x = 226,642.20 × 51,245.20
  4. Step 4: Simplify right side
    151,080.40x = 11,614,324,867.44
  5. Step 5: Solve for x
    x = 11,614,324,867.44/151,080.40
  6. Step 6: Final answer
    x = 76,875.13

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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.