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Finding the Fourth Proportional to 59,163.80, 81,649.36 and 32,308.80

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Solution

The fourth proportional to 59,163.80, 81,649.36 and 32,308.80 is: 44,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,163.80 : 81,649.36 = 32,308.80 : x
  2. Step 2: Convert to fraction form
    59,163.80/81,649.36 = 32,308.80/x
  3. Step 3: Cross multiply
    59,163.80x = 81,649.36 × 32,308.80
  4. Step 4: Simplify right side
    59,163.80x = 2,637,992,761.60
  5. Step 5: Solve for x
    x = 2,637,992,761.60/59,163.80
  6. Step 6: Final answer
    x = 44,587.96

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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.