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Finding the Fourth Proportional to 66,877, 100,361.58 and 23,101

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Solution

The fourth proportional to 66,877, 100,361.58 and 23,101 is: 34,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,877 : 100,361.58 = 23,101 : x
  2. Step 2: Convert to fraction form
    66,877/100,361.58 = 23,101/x
  3. Step 3: Cross multiply
    66,877x = 100,361.58 × 23,101
  4. Step 4: Simplify right side
    66,877x = 2,318,452,859.58
  5. Step 5: Solve for x
    x = 2,318,452,859.58/66,877
  6. Step 6: Final answer
    x = 34,667.42

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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.