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Finding the Fourth Proportional to 117,284.10, 161,851.42 and 63,568.56

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Solution

The fourth proportional to 117,284.10, 161,851.42 and 63,568.56 is: 87,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,284.10 : 161,851.42 = 63,568.56 : x
  2. Step 2: Convert to fraction form
    117,284.10/161,851.42 = 63,568.56/x
  3. Step 3: Cross multiply
    117,284.10x = 161,851.42 × 63,568.56
  4. Step 4: Simplify right side
    117,284.10x = 10,288,661,703.36
  5. Step 5: Solve for x
    x = 10,288,661,703.36/117,284.10
  6. Step 6: Final answer
    x = 87,724.27

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1.5x scale

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.