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Finding the Fourth Proportional to 59,308.64, 81,845.20 and 32,450.80

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Solution

The fourth proportional to 59,308.64, 81,845.20 and 32,450.80 is: 44,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,308.64 : 81,845.20 = 32,450.80 : x
  2. Step 2: Convert to fraction form
    59,308.64/81,845.20 = 32,450.80/x
  3. Step 3: Cross multiply
    59,308.64x = 81,845.20 × 32,450.80
  4. Step 4: Simplify right side
    59,308.64x = 2,655,942,216.16
  5. Step 5: Solve for x
    x = 2,655,942,216.16/59,308.64
  6. Step 6: Final answer
    x = 44,781.71

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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.