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Finding the Fourth Proportional to 91,872.84, 137,844.92 and 35,752.37

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Solution

The fourth proportional to 91,872.84, 137,844.92 and 35,752.37 is: 53,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,872.84 : 137,844.92 = 35,752.37 : x
  2. Step 2: Convert to fraction form
    91,872.84/137,844.92 = 35,752.37/x
  3. Step 3: Cross multiply
    91,872.84x = 137,844.92 × 35,752.37
  4. Step 4: Simplify right side
    91,872.84x = 4,928,282,556.89
  5. Step 5: Solve for x
    x = 4,928,282,556.89/91,872.84
  6. Step 6: Final answer
    x = 53,642.43

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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.