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Finding the Fourth Proportional to 84,750, 116,540.28 and 73,552.56

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Solution

The fourth proportional to 84,750, 116,540.28 and 73,552.56 is: 101,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,750 : 116,540.28 = 73,552.56 : x
  2. Step 2: Convert to fraction form
    84,750/116,540.28 = 73,552.56/x
  3. Step 3: Cross multiply
    84,750x = 116,540.28 × 73,552.56
  4. Step 4: Simplify right side
    84,750x = 8,571,835,937.12
  5. Step 5: Solve for x
    x = 8,571,835,937.12/84,750
  6. Step 6: Final answer
    x = 101,142.61

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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.