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Finding the Fourth Proportional to 96,483.69, 144,724.23 and 43,161.57

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Solution

The fourth proportional to 96,483.69, 144,724.23 and 43,161.57 is: 64,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,483.69 : 144,724.23 = 43,161.57 : x
  2. Step 2: Convert to fraction form
    96,483.69/144,724.23 = 43,161.57/x
  3. Step 3: Cross multiply
    96,483.69x = 144,724.23 × 43,161.57
  4. Step 4: Simplify right side
    96,483.69x = 6,246,524,983.84
  5. Step 5: Solve for x
    x = 6,246,524,983.84/96,483.69
  6. Step 6: Final answer
    x = 64,741.77

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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.