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Finding the Fourth Proportional to 230,667.27, 318,328.68 and 133,863.67

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Solution

The fourth proportional to 230,667.27, 318,328.68 and 133,863.67 is: 184,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,667.27 : 318,328.68 = 133,863.67 : x
  2. Step 2: Convert to fraction form
    230,667.27/318,328.68 = 133,863.67/x
  3. Step 3: Cross multiply
    230,667.27x = 318,328.68 × 133,863.67
  4. Step 4: Simplify right side
    230,667.27x = 42,612,645,371.06
  5. Step 5: Solve for x
    x = 42,612,645,371.06/230,667.27
  6. Step 6: Final answer
    x = 184,736.42

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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.