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Finding the Fourth Proportional to 230,753.53, 318,468.86 and 133,936.56

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Solution

The fourth proportional to 230,753.53, 318,468.86 and 133,936.56 is: 184,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,753.53 : 318,468.86 = 133,936.56 : x
  2. Step 2: Convert to fraction form
    230,753.53/318,468.86 = 133,936.56/x
  3. Step 3: Cross multiply
    230,753.53x = 318,468.86 × 133,936.56
  4. Step 4: Simplify right side
    230,753.53x = 42,654,623,910.36
  5. Step 5: Solve for x
    x = 42,654,623,910.36/230,753.53
  6. Step 6: Final answer
    x = 184,849.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.