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Finding the Fourth Proportional to 96,576.89, 144,839.20 and 40,405.51

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Solution

The fourth proportional to 96,576.89, 144,839.20 and 40,405.51 is: 60,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,576.89 : 144,839.20 = 40,405.51 : x
  2. Step 2: Convert to fraction form
    96,576.89/144,839.20 = 40,405.51/x
  3. Step 3: Cross multiply
    96,576.89x = 144,839.20 × 40,405.51
  4. Step 4: Simplify right side
    96,576.89x = 5,852,301,549.25
  5. Step 5: Solve for x
    x = 5,852,301,549.25/96,576.89
  6. Step 6: Final answer
    x = 60,597.33

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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.