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Finding the Fourth Proportional to 84,473.20, 116,526.21 and 54,224.56

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Solution

The fourth proportional to 84,473.20, 116,526.21 and 54,224.56 is: 74,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,473.20 : 116,526.21 = 54,224.56 : x
  2. Step 2: Convert to fraction form
    84,473.20/116,526.21 = 54,224.56/x
  3. Step 3: Cross multiply
    84,473.20x = 116,526.21 × 54,224.56
  4. Step 4: Simplify right side
    84,473.20x = 6,318,582,057.59
  5. Step 5: Solve for x
    x = 6,318,582,057.59/84,473.20
  6. Step 6: Final answer
    x = 74,799.85

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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.