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Finding the Fourth Proportional to 117,284.50, 161,851.69 and 63,568.14

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Solution

The fourth proportional to 117,284.50, 161,851.69 and 63,568.14 is: 87,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,284.50 : 161,851.69 = 63,568.14 : x
  2. Step 2: Convert to fraction form
    117,284.50/161,851.69 = 63,568.14/x
  3. Step 3: Cross multiply
    117,284.50x = 161,851.69 × 63,568.14
  4. Step 4: Simplify right side
    117,284.50x = 10,288,610,889.16
  5. Step 5: Solve for x
    x = 10,288,610,889.16/117,284.50
  6. Step 6: Final answer
    x = 87,723.53

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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.