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Finding the Fourth Proportional to 96,540.96, 144,811.44 and 63,470.28

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Solution

The fourth proportional to 96,540.96, 144,811.44 and 63,470.28 is: 95,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,540.96 : 144,811.44 = 63,470.28 : x
  2. Step 2: Convert to fraction form
    96,540.96/144,811.44 = 63,470.28/x
  3. Step 3: Cross multiply
    96,540.96x = 144,811.44 × 63,470.28
  4. Step 4: Simplify right side
    96,540.96x = 9,191,222,644.00
  5. Step 5: Solve for x
    x = 9,191,222,644.00/96,540.96
  6. Step 6: Final answer
    x = 95,205.42

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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.