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Finding the Fourth Proportional to 96,568.96, 144,805.44 and 40,392

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Solution

The fourth proportional to 96,568.96, 144,805.44 and 40,392 is: 60,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,568.96 : 144,805.44 = 40,392 : x
  2. Step 2: Convert to fraction form
    96,568.96/144,805.44 = 40,392/x
  3. Step 3: Cross multiply
    96,568.96x = 144,805.44 × 40,392
  4. Step 4: Simplify right side
    96,568.96x = 5,848,981,332.48
  5. Step 5: Solve for x
    x = 5,848,981,332.48/96,568.96
  6. Step 6: Final answer
    x = 60,567.92

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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.