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Finding the Fourth Proportional to 75,482.52, 104,164.71 and 41,490.28

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Solution

The fourth proportional to 75,482.52, 104,164.71 and 41,490.28 is: 57,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,482.52 : 104,164.71 = 41,490.28 : x
  2. Step 2: Convert to fraction form
    75,482.52/104,164.71 = 41,490.28/x
  3. Step 3: Cross multiply
    75,482.52x = 104,164.71 × 41,490.28
  4. Step 4: Simplify right side
    75,482.52x = 4,321,823,180.69
  5. Step 5: Solve for x
    x = 4,321,823,180.69/75,482.52
  6. Step 6: Final answer
    x = 57,255.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.