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Finding the Fourth Proportional to 238,672.40, 329,376.36 and 131,250.60

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Solution

The fourth proportional to 238,672.40, 329,376.36 and 131,250.60 is: 181,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,672.40 : 329,376.36 = 131,250.60 : x
  2. Step 2: Convert to fraction form
    238,672.40/329,376.36 = 131,250.60/x
  3. Step 3: Cross multiply
    238,672.40x = 329,376.36 × 131,250.60
  4. Step 4: Simplify right side
    238,672.40x = 43,230,844,875.82
  5. Step 5: Solve for x
    x = 43,230,844,875.82/238,672.40
  6. Step 6: Final answer
    x = 181,130.48

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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.