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Finding the Fourth Proportional to 59,296.70, 81,859.20 and 45,837.56

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Solution

The fourth proportional to 59,296.70, 81,859.20 and 45,837.56 is: 63,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,296.70 : 81,859.20 = 45,837.56 : x
  2. Step 2: Convert to fraction form
    59,296.70/81,859.20 = 45,837.56/x
  3. Step 3: Cross multiply
    59,296.70x = 81,859.20 × 45,837.56
  4. Step 4: Simplify right side
    59,296.70x = 3,752,225,991.55
  5. Step 5: Solve for x
    x = 3,752,225,991.55/59,296.70
  6. Step 6: Final answer
    x = 63,278.83

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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.