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Finding the Fourth Proportional to 96,439.93, 144,619.22 and 36,458.28

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Solution

The fourth proportional to 96,439.93, 144,619.22 and 36,458.28 is: 54,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,439.93 : 144,619.22 = 36,458.28 : x
  2. Step 2: Convert to fraction form
    96,439.93/144,619.22 = 36,458.28/x
  3. Step 3: Cross multiply
    96,439.93x = 144,619.22 × 36,458.28
  4. Step 4: Simplify right side
    96,439.93x = 5,272,568,107.29
  5. Step 5: Solve for x
    x = 5,272,568,107.29/96,439.93
  6. Step 6: Final answer
    x = 54,672.05

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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.