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Finding the Fourth Proportional to 119,575.56, 179,253.98 and 53,028.78

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Solution

The fourth proportional to 119,575.56, 179,253.98 and 53,028.78 is: 79,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,575.56 : 179,253.98 = 53,028.78 : x
  2. Step 2: Convert to fraction form
    119,575.56/179,253.98 = 53,028.78/x
  3. Step 3: Cross multiply
    119,575.56x = 179,253.98 × 53,028.78
  4. Step 4: Simplify right side
    119,575.56x = 9,505,619,869.54
  5. Step 5: Solve for x
    x = 9,505,619,869.54/119,575.56
  6. Step 6: Final answer
    x = 79,494.67

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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.