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Finding the Fourth Proportional to 273,265.23, 409,910.13 and 83,711.76

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Solution

The fourth proportional to 273,265.23, 409,910.13 and 83,711.76 is: 125,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,265.23 : 409,910.13 = 83,711.76 : x
  2. Step 2: Convert to fraction form
    273,265.23/409,910.13 = 83,711.76/x
  3. Step 3: Cross multiply
    273,265.23x = 409,910.13 × 83,711.76
  4. Step 4: Simplify right side
    273,265.23x = 34,314,298,424.13
  5. Step 5: Solve for x
    x = 34,314,298,424.13/273,265.23
  6. Step 6: Final answer
    x = 125,571.40

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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.