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Finding the Fourth Proportional to 238,572.41, 357,858.74 and 112,119.86

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Solution

The fourth proportional to 238,572.41, 357,858.74 and 112,119.86 is: 168,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,572.41 : 357,858.74 = 112,119.86 : x
  2. Step 2: Convert to fraction form
    238,572.41/357,858.74 = 112,119.86/x
  3. Step 3: Cross multiply
    238,572.41x = 357,858.74 × 112,119.86
  4. Step 4: Simplify right side
    238,572.41x = 40,123,073,003.52
  5. Step 5: Solve for x
    x = 40,123,073,003.52/238,572.41
  6. Step 6: Final answer
    x = 168,179.86

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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.