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Finding the Fourth Proportional to 84,654.45, 116,821.44 and 48,843.54

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Solution

The fourth proportional to 84,654.45, 116,821.44 and 48,843.54 is: 67,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,654.45 : 116,821.44 = 48,843.54 : x
  2. Step 2: Convert to fraction form
    84,654.45/116,821.44 = 48,843.54/x
  3. Step 3: Cross multiply
    84,654.45x = 116,821.44 × 48,843.54
  4. Step 4: Simplify right side
    84,654.45x = 5,705,972,677.50
  5. Step 5: Solve for x
    x = 5,705,972,677.50/84,654.45
  6. Step 6: Final answer
    x = 67,403.10

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1.5x scale

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.