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Finding the Fourth Proportional to 117,343.44, 161,929.44 and 63,627.48

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Solution

The fourth proportional to 117,343.44, 161,929.44 and 63,627.48 is: 87,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,343.44 : 161,929.44 = 63,627.48 : x
  2. Step 2: Convert to fraction form
    117,343.44/161,929.44 = 63,627.48/x
  3. Step 3: Cross multiply
    117,343.44x = 161,929.44 × 63,627.48
  4. Step 4: Simplify right side
    117,343.44x = 10,303,162,205.01
  5. Step 5: Solve for x
    x = 10,303,162,205.01/117,343.44
  6. Step 6: Final answer
    x = 87,803.48

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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.