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Finding the Fourth Proportional to 74,237, 111,361.98 and 18,833

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Solution

The fourth proportional to 74,237, 111,361.98 and 18,833 is: 28,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,237 : 111,361.98 = 18,833 : x
  2. Step 2: Convert to fraction form
    74,237/111,361.98 = 18,833/x
  3. Step 3: Cross multiply
    74,237x = 111,361.98 × 18,833
  4. Step 4: Simplify right side
    74,237x = 2,097,280,169.34
  5. Step 5: Solve for x
    x = 2,097,280,169.34/74,237
  6. Step 6: Final answer
    x = 28,251.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.