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Finding the Fourth Proportional to 238,641.38, 329,325.33 and 131,213.24

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Solution

The fourth proportional to 238,641.38, 329,325.33 and 131,213.24 is: 181,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,641.38 : 329,325.33 = 131,213.24 : x
  2. Step 2: Convert to fraction form
    238,641.38/329,325.33 = 131,213.24/x
  3. Step 3: Cross multiply
    238,641.38x = 329,325.33 × 131,213.24
  4. Step 4: Simplify right side
    238,641.38x = 43,211,843,563.37
  5. Step 5: Solve for x
    x = 43,211,843,563.37/238,641.38
  6. Step 6: Final answer
    x = 181,074.40

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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.