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Finding the Fourth Proportional to 100,363.62, 150,501.69 and 33,785.88

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Solution

The fourth proportional to 100,363.62, 150,501.69 and 33,785.88 is: 50,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,363.62 : 150,501.69 = 33,785.88 : x
  2. Step 2: Convert to fraction form
    100,363.62/150,501.69 = 33,785.88/x
  3. Step 3: Cross multiply
    100,363.62x = 150,501.69 × 33,785.88
  4. Step 4: Simplify right side
    100,363.62x = 5,084,832,038.14
  5. Step 5: Solve for x
    x = 5,084,832,038.14/100,363.62
  6. Step 6: Final answer
    x = 50,664.10

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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.