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Finding the Fourth Proportional to 221,771.00, 332,656.47 and 53,291.33

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Solution

The fourth proportional to 221,771.00, 332,656.47 and 53,291.33 is: 79,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,771.00 : 332,656.47 = 53,291.33 : x
  2. Step 2: Convert to fraction form
    221,771.00/332,656.47 = 53,291.33/x
  3. Step 3: Cross multiply
    221,771.00x = 332,656.47 × 53,291.33
  4. Step 4: Simplify right side
    221,771.00x = 17,727,705,236.97
  5. Step 5: Solve for x
    x = 17,727,705,236.97/221,771.00
  6. Step 6: Final answer
    x = 79,936.98

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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.