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Finding the Fourth Proportional to 54,146, 74,716.68 and 30,265.04

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Solution

The fourth proportional to 54,146, 74,716.68 and 30,265.04 is: 41,763.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,146 : 74,716.68 = 30,265.04 : x
  2. Step 2: Convert to fraction form
    54,146/74,716.68 = 30,265.04/x
  3. Step 3: Cross multiply
    54,146x = 74,716.68 × 30,265.04
  4. Step 4: Simplify right side
    54,146x = 2,261,303,308.87
  5. Step 5: Solve for x
    x = 2,261,303,308.87/54,146
  6. Step 6: Final answer
    x = 41,763.07

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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.