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Finding the Fourth Proportional to 96,954.80, 145,383.60 and 44,304.80

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Solution

The fourth proportional to 96,954.80, 145,383.60 and 44,304.80 is: 66,434.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,954.80 : 145,383.60 = 44,304.80 : x
  2. Step 2: Convert to fraction form
    96,954.80/145,383.60 = 44,304.80/x
  3. Step 3: Cross multiply
    96,954.80x = 145,383.60 × 44,304.80
  4. Step 4: Simplify right side
    96,954.80x = 6,441,191,321.28
  5. Step 5: Solve for x
    x = 6,441,191,321.28/96,954.80
  6. Step 6: Final answer
    x = 66,434.99

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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.