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Finding the Fourth Proportional to 54,855.68, 75,676.01 and 48,120.53

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Solution

The fourth proportional to 54,855.68, 75,676.01 and 48,120.53 is: 66,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,855.68 : 75,676.01 = 48,120.53 : x
  2. Step 2: Convert to fraction form
    54,855.68/75,676.01 = 48,120.53/x
  3. Step 3: Cross multiply
    54,855.68x = 75,676.01 × 48,120.53
  4. Step 4: Simplify right side
    54,855.68x = 3,641,569,090.50
  5. Step 5: Solve for x
    x = 3,641,569,090.50/54,855.68
  6. Step 6: Final answer
    x = 66,384.55

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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.