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Finding the Fourth Proportional to 219,414.60, 329,132.70 and 114,438.60

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Solution

The fourth proportional to 219,414.60, 329,132.70 and 114,438.60 is: 171,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,414.60 : 329,132.70 = 114,438.60 : x
  2. Step 2: Convert to fraction form
    219,414.60/329,132.70 = 114,438.60/x
  3. Step 3: Cross multiply
    219,414.60x = 329,132.70 × 114,438.60
  4. Step 4: Simplify right side
    219,414.60x = 37,665,485,402.22
  5. Step 5: Solve for x
    x = 37,665,485,402.22/219,414.60
  6. Step 6: Final answer
    x = 171,663.53

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