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Finding the Fourth Proportional to 119,704.58, 179,555.76 and 45,832.58

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Solution

The fourth proportional to 119,704.58, 179,555.76 and 45,832.58 is: 68,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,704.58 : 179,555.76 = 45,832.58 : x
  2. Step 2: Convert to fraction form
    119,704.58/179,555.76 = 45,832.58/x
  3. Step 3: Cross multiply
    119,704.58x = 179,555.76 × 45,832.58
  4. Step 4: Simplify right side
    119,704.58x = 8,229,503,734.66
  5. Step 5: Solve for x
    x = 8,229,503,734.66/119,704.58
  6. Step 6: Final answer
    x = 68,748.45

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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.