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Finding the Fourth Proportional to 117,086.60, 161,579.88 and 63,371.60

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Solution

The fourth proportional to 117,086.60, 161,579.88 and 63,371.60 is: 87,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,086.60 : 161,579.88 = 63,371.60 : x
  2. Step 2: Convert to fraction form
    117,086.60/161,579.88 = 63,371.60/x
  3. Step 3: Cross multiply
    117,086.60x = 161,579.88 × 63,371.60
  4. Step 4: Simplify right side
    117,086.60x = 10,239,575,523.41
  5. Step 5: Solve for x
    x = 10,239,575,523.41/117,086.60
  6. Step 6: Final answer
    x = 87,453.01

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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.