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Finding the Fourth Proportional to 100,532.12, 150,693.12 and 33,949.40

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Solution

The fourth proportional to 100,532.12, 150,693.12 and 33,949.40 is: 50,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,532.12 : 150,693.12 = 33,949.40 : x
  2. Step 2: Convert to fraction form
    100,532.12/150,693.12 = 33,949.40/x
  3. Step 3: Cross multiply
    100,532.12x = 150,693.12 × 33,949.40
  4. Step 4: Simplify right side
    100,532.12x = 5,115,941,008.13
  5. Step 5: Solve for x
    x = 5,115,941,008.13/100,532.12
  6. Step 6: Final answer
    x = 50,888.62

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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.