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Finding the Fourth Proportional to 97,994.54, 146,944.26 and 57,479.12

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Solution

The fourth proportional to 97,994.54, 146,944.26 and 57,479.12 is: 86,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,994.54 : 146,944.26 = 57,479.12 : x
  2. Step 2: Convert to fraction form
    97,994.54/146,944.26 = 57,479.12/x
  3. Step 3: Cross multiply
    97,994.54x = 146,944.26 × 57,479.12
  4. Step 4: Simplify right side
    97,994.54x = 8,446,226,753.85
  5. Step 5: Solve for x
    x = 8,446,226,753.85/97,994.54
  6. Step 6: Final answer
    x = 86,190.79

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1.5x scale

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.