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Finding the Fourth Proportional to 117,184.50, 161,714.53 and 63,469.50

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Solution

The fourth proportional to 117,184.50, 161,714.53 and 63,469.50 is: 87,587.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,184.50 : 161,714.53 = 63,469.50 : x
  2. Step 2: Convert to fraction form
    117,184.50/161,714.53 = 63,469.50/x
  3. Step 3: Cross multiply
    117,184.50x = 161,714.53 × 63,469.50
  4. Step 4: Simplify right side
    117,184.50x = 10,263,940,361.84
  5. Step 5: Solve for x
    x = 10,263,940,361.84/117,184.50
  6. Step 6: Final answer
    x = 87,587.87

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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.