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Finding the Fourth Proportional to 238,683.96, 329,391.96 and 131,258.52

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Solution

The fourth proportional to 238,683.96, 329,391.96 and 131,258.52 is: 181,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,683.96 : 329,391.96 = 131,258.52 : x
  2. Step 2: Convert to fraction form
    238,683.96/329,391.96 = 131,258.52/x
  3. Step 3: Cross multiply
    238,683.96x = 329,391.96 × 131,258.52
  4. Step 4: Simplify right side
    238,683.96x = 43,235,501,169.50
  5. Step 5: Solve for x
    x = 43,235,501,169.50/238,683.96
  6. Step 6: Final answer
    x = 181,141.21

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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.