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Finding the Fourth Proportional to 115,544.70, 173,025.45 and 92,216.70

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Solution

The fourth proportional to 115,544.70, 173,025.45 and 92,216.70 is: 138,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,544.70 : 173,025.45 = 92,216.70 : x
  2. Step 2: Convert to fraction form
    115,544.70/173,025.45 = 92,216.70/x
  3. Step 3: Cross multiply
    115,544.70x = 173,025.45 × 92,216.70
  4. Step 4: Simplify right side
    115,544.70x = 15,955,836,015.02
  5. Step 5: Solve for x
    x = 15,955,836,015.02/115,544.70
  6. Step 6: Final answer
    x = 138,092.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.