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Finding the Fourth Proportional to 97,994.89, 135,230.34 and 55,553.32

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Solution

The fourth proportional to 97,994.89, 135,230.34 and 55,553.32 is: 76,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,994.89 : 135,230.34 = 55,553.32 : x
  2. Step 2: Convert to fraction form
    97,994.89/135,230.34 = 55,553.32/x
  3. Step 3: Cross multiply
    97,994.89x = 135,230.34 × 55,553.32
  4. Step 4: Simplify right side
    97,994.89x = 7,512,494,351.73
  5. Step 5: Solve for x
    x = 7,512,494,351.73/97,994.89
  6. Step 6: Final answer
    x = 76,662.10

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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.