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Finding the Fourth Proportional to 96,438.56, 144,679.92 and 37,274.72

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Solution

The fourth proportional to 96,438.56, 144,679.92 and 37,274.72 is: 55,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,438.56 : 144,679.92 = 37,274.72 : x
  2. Step 2: Convert to fraction form
    96,438.56/144,679.92 = 37,274.72/x
  3. Step 3: Cross multiply
    96,438.56x = 144,679.92 × 37,274.72
  4. Step 4: Simplify right side
    96,438.56x = 5,392,903,507.62
  5. Step 5: Solve for x
    x = 5,392,903,507.62/96,438.56
  6. Step 6: Final answer
    x = 55,920.61

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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.