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Finding the Fourth Proportional to 123,390.41, 185,085.66 and 44,504.64

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Solution

The fourth proportional to 123,390.41, 185,085.66 and 44,504.64 is: 66,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,390.41 : 185,085.66 = 44,504.64 : x
  2. Step 2: Convert to fraction form
    123,390.41/185,085.66 = 44,504.64/x
  3. Step 3: Cross multiply
    123,390.41x = 185,085.66 × 44,504.64
  4. Step 4: Simplify right side
    123,390.41x = 8,237,170,584.02
  5. Step 5: Solve for x
    x = 8,237,170,584.02/123,390.41
  6. Step 6: Final answer
    x = 66,756.97

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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.