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Finding the Fourth Proportional to 116,768.43, 174,512.84 and 85,244.87

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Solution

The fourth proportional to 116,768.43, 174,512.84 and 85,244.87 is: 127,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,768.43 : 174,512.84 = 85,244.87 : x
  2. Step 2: Convert to fraction form
    116,768.43/174,512.84 = 85,244.87/x
  3. Step 3: Cross multiply
    116,768.43x = 174,512.84 × 85,244.87
  4. Step 4: Simplify right side
    116,768.43x = 14,876,324,359.13
  5. Step 5: Solve for x
    x = 14,876,324,359.13/116,768.43
  6. Step 6: Final answer
    x = 127,400.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.