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Finding the Fourth Proportional to 54,103.32, 74,657.25 and 30,229.47

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Solution

The fourth proportional to 54,103.32, 74,657.25 and 30,229.47 is: 41,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.32 : 74,657.25 = 30,229.47 : x
  2. Step 2: Convert to fraction form
    54,103.32/74,657.25 = 30,229.47/x
  3. Step 3: Cross multiply
    54,103.32x = 74,657.25 × 30,229.47
  4. Step 4: Simplify right side
    54,103.32x = 2,256,849,099.16
  5. Step 5: Solve for x
    x = 2,256,849,099.16/54,103.32
  6. Step 6: Final answer
    x = 41,713.69

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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.