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Finding the Fourth Proportional to 96,432.66, 144,672.09 and 40,241.51

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Solution

The fourth proportional to 96,432.66, 144,672.09 and 40,241.51 is: 60,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,432.66 : 144,672.09 = 40,241.51 : x
  2. Step 2: Convert to fraction form
    96,432.66/144,672.09 = 40,241.51/x
  3. Step 3: Cross multiply
    96,432.66x = 144,672.09 × 40,241.51
  4. Step 4: Simplify right side
    96,432.66x = 5,821,823,718.14
  5. Step 5: Solve for x
    x = 5,821,823,718.14/96,432.66
  6. Step 6: Final answer
    x = 60,371.91

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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.