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Finding the Fourth Proportional to 119,480.76, 179,175.06 and 40,576.44

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Solution

The fourth proportional to 119,480.76, 179,175.06 and 40,576.44 is: 60,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,480.76 : 179,175.06 = 40,576.44 : x
  2. Step 2: Convert to fraction form
    119,480.76/179,175.06 = 40,576.44/x
  3. Step 3: Cross multiply
    119,480.76x = 179,175.06 × 40,576.44
  4. Step 4: Simplify right side
    119,480.76x = 7,270,286,071.59
  5. Step 5: Solve for x
    x = 7,270,286,071.59/119,480.76
  6. Step 6: Final answer
    x = 60,849.01

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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.