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Finding the Fourth Proportional to 119,361.72, 179,042.98 and 40,531.70

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Solution

The fourth proportional to 119,361.72, 179,042.98 and 40,531.70 is: 60,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,361.72 : 179,042.98 = 40,531.70 : x
  2. Step 2: Convert to fraction form
    119,361.72/179,042.98 = 40,531.70/x
  3. Step 3: Cross multiply
    119,361.72x = 179,042.98 × 40,531.70
  4. Step 4: Simplify right side
    119,361.72x = 7,256,916,352.47
  5. Step 5: Solve for x
    x = 7,256,916,352.47/119,361.72
  6. Step 6: Final answer
    x = 60,797.69

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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.