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Finding the Fourth Proportional to 73,944.25, 102,043.07 and 40,410.25

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Solution

The fourth proportional to 73,944.25, 102,043.07 and 40,410.25 is: 55,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,944.25 : 102,043.07 = 40,410.25 : x
  2. Step 2: Convert to fraction form
    73,944.25/102,043.07 = 40,410.25/x
  3. Step 3: Cross multiply
    73,944.25x = 102,043.07 × 40,410.25
  4. Step 4: Simplify right side
    73,944.25x = 4,123,585,969.47
  5. Step 5: Solve for x
    x = 4,123,585,969.47/73,944.25
  6. Step 6: Final answer
    x = 55,766.15

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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.