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Finding the Fourth Proportional to 151,084.40, 226,619.40 and 51,234.80

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Solution

The fourth proportional to 151,084.40, 226,619.40 and 51,234.80 is: 76,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,084.40 : 226,619.40 = 51,234.80 : x
  2. Step 2: Convert to fraction form
    151,084.40/226,619.40 = 51,234.80/x
  3. Step 3: Cross multiply
    151,084.40x = 226,619.40 × 51,234.80
  4. Step 4: Simplify right side
    151,084.40x = 11,610,799,635.12
  5. Step 5: Solve for x
    x = 11,610,799,635.12/151,084.40
  6. Step 6: Final answer
    x = 76,849.76

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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.