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Finding the Fourth Proportional to 239,328.69, 330,268.59 and 131,895.96

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Solution

The fourth proportional to 239,328.69, 330,268.59 and 131,895.96 is: 182,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,328.69 : 330,268.59 = 131,895.96 : x
  2. Step 2: Convert to fraction form
    239,328.69/330,268.59 = 131,895.96/x
  3. Step 3: Cross multiply
    239,328.69x = 330,268.59 × 131,895.96
  4. Step 4: Simplify right side
    239,328.69x = 43,561,092,735.90
  5. Step 5: Solve for x
    x = 43,561,092,735.90/239,328.69
  6. Step 6: Final answer
    x = 182,013.67

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