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Finding the Fourth Proportional to 147,791.54, 221,699.52 and 63,553.70

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Solution

The fourth proportional to 147,791.54, 221,699.52 and 63,553.70 is: 95,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,791.54 : 221,699.52 = 63,553.70 : x
  2. Step 2: Convert to fraction form
    147,791.54/221,699.52 = 63,553.70/x
  3. Step 3: Cross multiply
    147,791.54x = 221,699.52 × 63,553.70
  4. Step 4: Simplify right side
    147,791.54x = 14,089,823,675.73
  5. Step 5: Solve for x
    x = 14,089,823,675.73/147,791.54
  6. Step 6: Final answer
    x = 95,335.80

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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.