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Finding the Fourth Proportional to 230,620.53, 318,242.61 and 133,816.89

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Solution

The fourth proportional to 230,620.53, 318,242.61 and 133,816.89 is: 184,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,620.53 : 318,242.61 = 133,816.89 : x
  2. Step 2: Convert to fraction form
    230,620.53/318,242.61 = 133,816.89/x
  3. Step 3: Cross multiply
    230,620.53x = 318,242.61 × 133,816.89
  4. Step 4: Simplify right side
    230,620.53x = 42,586,236,335.68
  5. Step 5: Solve for x
    x = 42,586,236,335.68/230,620.53
  6. Step 6: Final answer
    x = 184,659.35

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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.