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Finding the Fourth Proportional to 123,611.67, 185,307.48 and 44,708.31

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Solution

The fourth proportional to 123,611.67, 185,307.48 and 44,708.31 is: 67,022.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,611.67 : 185,307.48 = 44,708.31 : x
  2. Step 2: Convert to fraction form
    123,611.67/185,307.48 = 44,708.31/x
  3. Step 3: Cross multiply
    123,611.67x = 185,307.48 × 44,708.31
  4. Step 4: Simplify right side
    123,611.67x = 8,284,784,261.16
  5. Step 5: Solve for x
    x = 8,284,784,261.16/123,611.67
  6. Step 6: Final answer
    x = 67,022.67

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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.