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Finding the Fourth Proportional to 123,708.94, 185,661.78 and 44,845.72

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Solution

The fourth proportional to 123,708.94, 185,661.78 and 44,845.72 is: 67,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,708.94 : 185,661.78 = 44,845.72 : x
  2. Step 2: Convert to fraction form
    123,708.94/185,661.78 = 44,845.72/x
  3. Step 3: Cross multiply
    123,708.94x = 185,661.78 × 44,845.72
  4. Step 4: Simplify right side
    123,708.94x = 8,326,136,200.58
  5. Step 5: Solve for x
    x = 8,326,136,200.58/123,708.94
  6. Step 6: Final answer
    x = 67,304.24

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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.