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Finding the Fourth Proportional to 132,317.40, 198,476.10 and 73,268.40

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Solution

The fourth proportional to 132,317.40, 198,476.10 and 73,268.40 is: 109,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,317.40 : 198,476.10 = 73,268.40 : x
  2. Step 2: Convert to fraction form
    132,317.40/198,476.10 = 73,268.40/x
  3. Step 3: Cross multiply
    132,317.40x = 198,476.10 × 73,268.40
  4. Step 4: Simplify right side
    132,317.40x = 14,542,026,285.24
  5. Step 5: Solve for x
    x = 14,542,026,285.24/132,317.40
  6. Step 6: Final answer
    x = 109,902.60

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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.