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Finding the Fourth Proportional to 238,732, 329,452.86 and 131,303.80

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Solution

The fourth proportional to 238,732, 329,452.86 and 131,303.80 is: 181,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,732 : 329,452.86 = 131,303.80 : x
  2. Step 2: Convert to fraction form
    238,732/329,452.86 = 131,303.80/x
  3. Step 3: Cross multiply
    238,732x = 329,452.86 × 131,303.80
  4. Step 4: Simplify right side
    238,732x = 43,258,412,438.87
  5. Step 5: Solve for x
    x = 43,258,412,438.87/238,732
  6. Step 6: Final answer
    x = 181,200.73

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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.