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Finding the Fourth Proportional to 193,334.56, 289,998.65 and 79,459.30

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Solution

The fourth proportional to 193,334.56, 289,998.65 and 79,459.30 is: 119,187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,334.56 : 289,998.65 = 79,459.30 : x
  2. Step 2: Convert to fraction form
    193,334.56/289,998.65 = 79,459.30/x
  3. Step 3: Cross multiply
    193,334.56x = 289,998.65 × 79,459.30
  4. Step 4: Simplify right side
    193,334.56x = 23,043,088,659.85
  5. Step 5: Solve for x
    x = 23,043,088,659.85/193,334.56
  6. Step 6: Final answer
    x = 119,187.63

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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.