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Finding the Fourth Proportional to 61,163.63, 84,363.15 and 59,106.18

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Solution

The fourth proportional to 61,163.63, 84,363.15 and 59,106.18 is: 81,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,163.63 : 84,363.15 = 59,106.18 : x
  2. Step 2: Convert to fraction form
    61,163.63/84,363.15 = 59,106.18/x
  3. Step 3: Cross multiply
    61,163.63x = 84,363.15 × 59,106.18
  4. Step 4: Simplify right side
    61,163.63x = 4,986,383,331.30
  5. Step 5: Solve for x
    x = 4,986,383,331.30/61,163.63
  6. Step 6: Final answer
    x = 81,525.30

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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.