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Finding the Fourth Proportional to 100,535.80, 150,825.40 and 33,974.45

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Solution

The fourth proportional to 100,535.80, 150,825.40 and 33,974.45 is: 50,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,535.80 : 150,825.40 = 33,974.45 : x
  2. Step 2: Convert to fraction form
    100,535.80/150,825.40 = 33,974.45/x
  3. Step 3: Cross multiply
    100,535.80x = 150,825.40 × 33,974.45
  4. Step 4: Simplify right side
    100,535.80x = 5,124,210,585.95
  5. Step 5: Solve for x
    x = 5,124,210,585.95/100,535.80
  6. Step 6: Final answer
    x = 50,969.01

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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.