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Finding the Fourth Proportional to 59,218.40, 81,722.40 and 35,340.44

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Solution

The fourth proportional to 59,218.40, 81,722.40 and 35,340.44 is: 48,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,218.40 : 81,722.40 = 35,340.44 : x
  2. Step 2: Convert to fraction form
    59,218.40/81,722.40 = 35,340.44/x
  3. Step 3: Cross multiply
    59,218.40x = 81,722.40 × 35,340.44
  4. Step 4: Simplify right side
    59,218.40x = 2,888,105,573.86
  5. Step 5: Solve for x
    x = 2,888,105,573.86/59,218.40
  6. Step 6: Final answer
    x = 48,770.41

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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.