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Finding the Fourth Proportional to 250,921.67, 376,456.21 and 101,084.90

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Solution

The fourth proportional to 250,921.67, 376,456.21 and 101,084.90 is: 151,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,921.67 : 376,456.21 = 101,084.90 : x
  2. Step 2: Convert to fraction form
    250,921.67/376,456.21 = 101,084.90/x
  3. Step 3: Cross multiply
    250,921.67x = 376,456.21 × 101,084.90
  4. Step 4: Simplify right side
    250,921.67x = 38,054,036,207.24
  5. Step 5: Solve for x
    x = 38,054,036,207.24/250,921.67
  6. Step 6: Final answer
    x = 151,657.04

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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.