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Finding the Fourth Proportional to 76,641.84, 114,797.52 and 41,507.28

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Solution

The fourth proportional to 76,641.84, 114,797.52 and 41,507.28 is: 62,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,641.84 : 114,797.52 = 41,507.28 : x
  2. Step 2: Convert to fraction form
    76,641.84/114,797.52 = 41,507.28/x
  3. Step 3: Cross multiply
    76,641.84x = 114,797.52 × 41,507.28
  4. Step 4: Simplify right side
    76,641.84x = 4,764,932,805.95
  5. Step 5: Solve for x
    x = 4,764,932,805.95/76,641.84
  6. Step 6: Final answer
    x = 62,171.43

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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.