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Finding the Fourth Proportional to 123,611.67, 185,475.83 and 44,704.71

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Solution

The fourth proportional to 123,611.67, 185,475.83 and 44,704.71 is: 67,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,611.67 : 185,475.83 = 44,704.71 : x
  2. Step 2: Convert to fraction form
    123,611.67/185,475.83 = 44,704.71/x
  3. Step 3: Cross multiply
    123,611.67x = 185,475.83 × 44,704.71
  4. Step 4: Simplify right side
    123,611.67x = 8,291,642,968.64
  5. Step 5: Solve for x
    x = 8,291,642,968.64/123,611.67
  6. Step 6: Final answer
    x = 67,078.16

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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.