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Finding the Fourth Proportional to 230,989.57, 346,496.78 and 73,230.33

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Solution

The fourth proportional to 230,989.57, 346,496.78 and 73,230.33 is: 109,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,989.57 : 346,496.78 = 73,230.33 : x
  2. Step 2: Convert to fraction form
    230,989.57/346,496.78 = 73,230.33/x
  3. Step 3: Cross multiply
    230,989.57x = 346,496.78 × 73,230.33
  4. Step 4: Simplify right side
    230,989.57x = 25,374,073,543.34
  5. Step 5: Solve for x
    x = 25,374,073,543.34/230,989.57
  6. Step 6: Final answer
    x = 109,849.43

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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.