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Finding the Fourth Proportional to 59,043.70, 81,474.41 and 33,199.50

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Solution

The fourth proportional to 59,043.70, 81,474.41 and 33,199.50 is: 45,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,043.70 : 81,474.41 = 33,199.50 : x
  2. Step 2: Convert to fraction form
    59,043.70/81,474.41 = 33,199.50/x
  3. Step 3: Cross multiply
    59,043.70x = 81,474.41 × 33,199.50
  4. Step 4: Simplify right side
    59,043.70x = 2,704,909,876.58
  5. Step 5: Solve for x
    x = 2,704,909,876.58/59,043.70
  6. Step 6: Final answer
    x = 45,812.00

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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.