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Finding the Fourth Proportional to 230,716.34, 346,072.47 and 72,944.90

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Solution

The fourth proportional to 230,716.34, 346,072.47 and 72,944.90 is: 109,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,716.34 : 346,072.47 = 72,944.90 : x
  2. Step 2: Convert to fraction form
    230,716.34/346,072.47 = 72,944.90/x
  3. Step 3: Cross multiply
    230,716.34x = 346,072.47 × 72,944.90
  4. Step 4: Simplify right side
    230,716.34x = 25,244,221,716.90
  5. Step 5: Solve for x
    x = 25,244,221,716.90/230,716.34
  6. Step 6: Final answer
    x = 109,416.71

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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.