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Finding the Fourth Proportional to 121,624.80, 182,350.80 and 55,096.80

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Solution

The fourth proportional to 121,624.80, 182,350.80 and 55,096.80 is: 82,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,624.80 : 182,350.80 = 55,096.80 : x
  2. Step 2: Convert to fraction form
    121,624.80/182,350.80 = 55,096.80/x
  3. Step 3: Cross multiply
    121,624.80x = 182,350.80 × 55,096.80
  4. Step 4: Simplify right side
    121,624.80x = 10,046,945,557.44
  5. Step 5: Solve for x
    x = 10,046,945,557.44/121,624.80
  6. Step 6: Final answer
    x = 82,606.06

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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.