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Finding the Fourth Proportional to 251,270.92, 376,758.78 and 101,515.96

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Solution

The fourth proportional to 251,270.92, 376,758.78 and 101,515.96 is: 152,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,270.92 : 376,758.78 = 101,515.96 : x
  2. Step 2: Convert to fraction form
    251,270.92/376,758.78 = 101,515.96/x
  3. Step 3: Cross multiply
    251,270.92x = 376,758.78 × 101,515.96
  4. Step 4: Simplify right side
    251,270.92x = 38,247,029,240.13
  5. Step 5: Solve for x
    x = 38,247,029,240.13/251,270.92
  6. Step 6: Final answer
    x = 152,214.31

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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.