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Finding the Fourth Proportional to 96,489.45, 144,739.86 and 37,325.43

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Solution

The fourth proportional to 96,489.45, 144,739.86 and 37,325.43 is: 55,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,489.45 : 144,739.86 = 37,325.43 : x
  2. Step 2: Convert to fraction form
    96,489.45/144,739.86 = 37,325.43/x
  3. Step 3: Cross multiply
    96,489.45x = 144,739.86 × 37,325.43
  4. Step 4: Simplify right side
    96,489.45x = 5,402,477,512.64
  5. Step 5: Solve for x
    x = 5,402,477,512.64/96,489.45
  6. Step 6: Final answer
    x = 55,990.34

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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.