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Finding the Fourth Proportional to 273,121.56, 376,877.34 and 152,253.72

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Solution

The fourth proportional to 273,121.56, 376,877.34 and 152,253.72 is: 210,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,121.56 : 376,877.34 = 152,253.72 : x
  2. Step 2: Convert to fraction form
    273,121.56/376,877.34 = 152,253.72/x
  3. Step 3: Cross multiply
    273,121.56x = 376,877.34 × 152,253.72
  4. Step 4: Simplify right side
    273,121.56x = 57,380,976,998.70
  5. Step 5: Solve for x
    x = 57,380,976,998.70/273,121.56
  6. Step 6: Final answer
    x = 210,093.18

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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.