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Finding the Fourth Proportional to 238,425.92, 357,736.82 and 113,687.36

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Solution

The fourth proportional to 238,425.92, 357,736.82 and 113,687.36 is: 170,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,425.92 : 357,736.82 = 113,687.36 : x
  2. Step 2: Convert to fraction form
    238,425.92/357,736.82 = 113,687.36/x
  3. Step 3: Cross multiply
    238,425.92x = 357,736.82 × 113,687.36
  4. Step 4: Simplify right side
    238,425.92x = 40,670,154,640.60
  5. Step 5: Solve for x
    x = 40,670,154,640.60/238,425.92
  6. Step 6: Final answer
    x = 170,577.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.