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Finding the Fourth Proportional to 75,528.40, 104,228.04 and 41,992.40

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Solution

The fourth proportional to 75,528.40, 104,228.04 and 41,992.40 is: 57,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,528.40 : 104,228.04 = 41,992.40 : x
  2. Step 2: Convert to fraction form
    75,528.40/104,228.04 = 41,992.40/x
  3. Step 3: Cross multiply
    75,528.40x = 104,228.04 × 41,992.40
  4. Step 4: Simplify right side
    75,528.40x = 4,376,785,546.90
  5. Step 5: Solve for x
    x = 4,376,785,546.90/75,528.40
  6. Step 6: Final answer
    x = 57,948.87

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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.