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Finding the Fourth Proportional to 59,361.43, 89,046.77 and 17,242.20

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Solution

The fourth proportional to 59,361.43, 89,046.77 and 17,242.20 is: 25,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,361.43 : 89,046.77 = 17,242.20 : x
  2. Step 2: Convert to fraction form
    59,361.43/89,046.77 = 17,242.20/x
  3. Step 3: Cross multiply
    59,361.43x = 89,046.77 × 17,242.20
  4. Step 4: Simplify right side
    59,361.43x = 1,535,362,217.69
  5. Step 5: Solve for x
    x = 1,535,362,217.69/59,361.43
  6. Step 6: Final answer
    x = 25,864.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.