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Finding the Fourth Proportional to 117,168.46, 161,691.63 and 63,452.23

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Solution

The fourth proportional to 117,168.46, 161,691.63 and 63,452.23 is: 87,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,168.46 : 161,691.63 = 63,452.23 : x
  2. Step 2: Convert to fraction form
    117,168.46/161,691.63 = 63,452.23/x
  3. Step 3: Cross multiply
    117,168.46x = 161,691.63 × 63,452.23
  4. Step 4: Simplify right side
    117,168.46x = 10,259,693,853.66
  5. Step 5: Solve for x
    x = 10,259,693,853.66/117,168.46
  6. Step 6: Final answer
    x = 87,563.62

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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.