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Finding the Fourth Proportional to 54,457.53, 81,743.54 and 48,257.25

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Solution

The fourth proportional to 54,457.53, 81,743.54 and 48,257.25 is: 72,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457.53 : 81,743.54 = 48,257.25 : x
  2. Step 2: Convert to fraction form
    54,457.53/81,743.54 = 48,257.25/x
  3. Step 3: Cross multiply
    54,457.53x = 81,743.54 × 48,257.25
  4. Step 4: Simplify right side
    54,457.53x = 3,944,718,204.38
  5. Step 5: Solve for x
    x = 3,944,718,204.38/54,457.53
  6. Step 6: Final answer
    x = 72,436.60

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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.