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Finding the Fourth Proportional to 96,343.84, 144,537.72 and 51,969.61

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Solution

The fourth proportional to 96,343.84, 144,537.72 and 51,969.61 is: 77,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,343.84 : 144,537.72 = 51,969.61 : x
  2. Step 2: Convert to fraction form
    96,343.84/144,537.72 = 51,969.61/x
  3. Step 3: Cross multiply
    96,343.84x = 144,537.72 × 51,969.61
  4. Step 4: Simplify right side
    96,343.84x = 7,511,568,938.69
  5. Step 5: Solve for x
    x = 7,511,568,938.69/96,343.84
  6. Step 6: Final answer
    x = 77,966.26

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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.