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Finding the Fourth Proportional to 123,699.88, 185,648.22 and 44,836.60

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Solution

The fourth proportional to 123,699.88, 185,648.22 and 44,836.60 is: 67,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,699.88 : 185,648.22 = 44,836.60 : x
  2. Step 2: Convert to fraction form
    123,699.88/185,648.22 = 44,836.60/x
  3. Step 3: Cross multiply
    123,699.88x = 185,648.22 × 44,836.60
  4. Step 4: Simplify right side
    123,699.88x = 8,323,834,980.85
  5. Step 5: Solve for x
    x = 8,323,834,980.85/123,699.88
  6. Step 6: Final answer
    x = 67,290.57

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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.