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Finding the Fourth Proportional to 54,099.44, 81,191.02 and 35,374.40

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Solution

The fourth proportional to 54,099.44, 81,191.02 and 35,374.40 is: 53,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,099.44 : 81,191.02 = 35,374.40 : x
  2. Step 2: Convert to fraction form
    54,099.44/81,191.02 = 35,374.40/x
  3. Step 3: Cross multiply
    54,099.44x = 81,191.02 × 35,374.40
  4. Step 4: Simplify right side
    54,099.44x = 2,872,083,617.89
  5. Step 5: Solve for x
    x = 2,872,083,617.89/54,099.44
  6. Step 6: Final answer
    x = 53,088.97

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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.