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Finding the Fourth Proportional to 73,330.96, 109,998.60 and 20,734.96

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Solution

The fourth proportional to 73,330.96, 109,998.60 and 20,734.96 is: 31,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,330.96 : 109,998.60 = 20,734.96 : x
  2. Step 2: Convert to fraction form
    73,330.96/109,998.60 = 20,734.96/x
  3. Step 3: Cross multiply
    73,330.96x = 109,998.60 × 20,734.96
  4. Step 4: Simplify right side
    73,330.96x = 2,280,816,571.06
  5. Step 5: Solve for x
    x = 2,280,816,571.06/73,330.96
  6. Step 6: Final answer
    x = 31,103.05

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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.