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Finding the Fourth Proportional to 61,363.64, 84,162.19 and 60,636.60

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Solution

The fourth proportional to 61,363.64, 84,162.19 and 60,636.60 is: 83,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,363.64 : 84,162.19 = 60,636.60 : x
  2. Step 2: Convert to fraction form
    61,363.64/84,162.19 = 60,636.60/x
  3. Step 3: Cross multiply
    61,363.64x = 84,162.19 × 60,636.60
  4. Step 4: Simplify right side
    61,363.64x = 5,103,309,050.15
  5. Step 5: Solve for x
    x = 5,103,309,050.15/61,363.64
  6. Step 6: Final answer
    x = 83,165.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.