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Finding the Fourth Proportional to 150,250.50, 207,346.10 and 82,268.01

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Solution

The fourth proportional to 150,250.50, 207,346.10 and 82,268.01 is: 113,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,250.50 : 207,346.10 = 82,268.01 : x
  2. Step 2: Convert to fraction form
    150,250.50/207,346.10 = 82,268.01/x
  3. Step 3: Cross multiply
    150,250.50x = 207,346.10 × 82,268.01
  4. Step 4: Simplify right side
    150,250.50x = 17,057,950,616.92
  5. Step 5: Solve for x
    x = 17,057,950,616.92/150,250.50
  6. Step 6: Final answer
    x = 113,530.08

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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.