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Finding the Fourth Proportional to 117,372.44, 161,973.50 and 63,657.24

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Solution

The fourth proportional to 117,372.44, 161,973.50 and 63,657.24 is: 87,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,372.44 : 161,973.50 = 63,657.24 : x
  2. Step 2: Convert to fraction form
    117,372.44/161,973.50 = 63,657.24/x
  3. Step 3: Cross multiply
    117,372.44x = 161,973.50 × 63,657.24
  4. Step 4: Simplify right side
    117,372.44x = 10,310,785,963.14
  5. Step 5: Solve for x
    x = 10,310,785,963.14/117,372.44
  6. Step 6: Final answer
    x = 87,846.74

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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.