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Finding the Fourth Proportional to 84,489.82, 116,550.86 and 52,242.52

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Solution

The fourth proportional to 84,489.82, 116,550.86 and 52,242.52 is: 72,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,489.82 : 116,550.86 = 52,242.52 : x
  2. Step 2: Convert to fraction form
    84,489.82/116,550.86 = 52,242.52/x
  3. Step 3: Cross multiply
    84,489.82x = 116,550.86 × 52,242.52
  4. Step 4: Simplify right side
    84,489.82x = 6,088,910,634.57
  5. Step 5: Solve for x
    x = 6,088,910,634.57/84,489.82
  6. Step 6: Final answer
    x = 72,066.80

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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.