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Finding the Fourth Proportional to 273,155.93, 376,982.75 and 158,469.65

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Solution

The fourth proportional to 273,155.93, 376,982.75 and 158,469.65 is: 218,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,155.93 : 376,982.75 = 158,469.65 : x
  2. Step 2: Convert to fraction form
    273,155.93/376,982.75 = 158,469.65/x
  3. Step 3: Cross multiply
    273,155.93x = 376,982.75 × 158,469.65
  4. Step 4: Simplify right side
    273,155.93x = 59,740,325,787.17
  5. Step 5: Solve for x
    x = 59,740,325,787.17/273,155.93
  6. Step 6: Final answer
    x = 218,704.11

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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.