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Finding the Fourth Proportional to 150,395.82, 207,546.20 and 86,733.60

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Solution

The fourth proportional to 150,395.82, 207,546.20 and 86,733.60 is: 119,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,395.82 : 207,546.20 = 86,733.60 : x
  2. Step 2: Convert to fraction form
    150,395.82/207,546.20 = 86,733.60/x
  3. Step 3: Cross multiply
    150,395.82x = 207,546.20 × 86,733.60
  4. Step 4: Simplify right side
    150,395.82x = 18,001,229,092.32
  5. Step 5: Solve for x
    x = 18,001,229,092.32/150,395.82
  6. Step 6: Final answer
    x = 119,692.35

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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.