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Finding the Fourth Proportional to 273,260.76, 409,770.75 and 123,495

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Solution

The fourth proportional to 273,260.76, 409,770.75 and 123,495 is: 185,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,260.76 : 409,770.75 = 123,495 : x
  2. Step 2: Convert to fraction form
    273,260.76/409,770.75 = 123,495/x
  3. Step 3: Cross multiply
    273,260.76x = 409,770.75 × 123,495
  4. Step 4: Simplify right side
    273,260.76x = 50,604,638,771.25
  5. Step 5: Solve for x
    x = 50,604,638,771.25/273,260.76
  6. Step 6: Final answer
    x = 185,188.09

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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.