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Finding the Fourth Proportional to 253,152.44, 379,786.26 and 134,761.40

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Solution

The fourth proportional to 253,152.44, 379,786.26 and 134,761.40 is: 202,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,152.44 : 379,786.26 = 134,761.40 : x
  2. Step 2: Convert to fraction form
    253,152.44/379,786.26 = 134,761.40/x
  3. Step 3: Cross multiply
    253,152.44x = 379,786.26 × 134,761.40
  4. Step 4: Simplify right side
    253,152.44x = 51,180,528,098.36
  5. Step 5: Solve for x
    x = 51,180,528,098.36/253,152.44
  6. Step 6: Final answer
    x = 202,172.76

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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.