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Finding the Fourth Proportional to 231,232.59, 319,094.24 and 129,258.25

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Solution

The fourth proportional to 231,232.59, 319,094.24 and 129,258.25 is: 178,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,232.59 : 319,094.24 = 129,258.25 : x
  2. Step 2: Convert to fraction form
    231,232.59/319,094.24 = 129,258.25/x
  3. Step 3: Cross multiply
    231,232.59x = 319,094.24 × 129,258.25
  4. Step 4: Simplify right side
    231,232.59x = 41,245,561,603.45
  5. Step 5: Solve for x
    x = 41,245,561,603.45/231,232.59
  6. Step 6: Final answer
    x = 178,372.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.