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Finding the Fourth Proportional to 273,124, 376,912.72 and 152,272.88

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Solution

The fourth proportional to 273,124, 376,912.72 and 152,272.88 is: 210,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,124 : 376,912.72 = 152,272.88 : x
  2. Step 2: Convert to fraction form
    273,124/376,912.72 = 152,272.88/x
  3. Step 3: Cross multiply
    273,124x = 376,912.72 × 152,272.88
  4. Step 4: Simplify right side
    273,124x = 57,393,585,383.03
  5. Step 5: Solve for x
    x = 57,393,585,383.03/273,124
  6. Step 6: Final answer
    x = 210,137.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.