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Finding the Fourth Proportional to 84,333.98, 126,535.94 and 36,924.60

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Solution

The fourth proportional to 84,333.98, 126,535.94 and 36,924.60 is: 55,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,333.98 : 126,535.94 = 36,924.60 : x
  2. Step 2: Convert to fraction form
    84,333.98/126,535.94 = 36,924.60/x
  3. Step 3: Cross multiply
    84,333.98x = 126,535.94 × 36,924.60
  4. Step 4: Simplify right side
    84,333.98x = 4,672,288,785.50
  5. Step 5: Solve for x
    x = 4,672,288,785.50/84,333.98
  6. Step 6: Final answer
    x = 55,402.21

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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.