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Finding the Fourth Proportional to 150,351.96, 207,482.94 and 86,692.44

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Solution

The fourth proportional to 150,351.96, 207,482.94 and 86,692.44 is: 119,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,351.96 : 207,482.94 = 86,692.44 : x
  2. Step 2: Convert to fraction form
    150,351.96/207,482.94 = 86,692.44/x
  3. Step 3: Cross multiply
    150,351.96x = 207,482.94 × 86,692.44
  4. Step 4: Simplify right side
    150,351.96x = 17,987,202,326.97
  5. Step 5: Solve for x
    x = 17,987,202,326.97/150,351.96
  6. Step 6: Final answer
    x = 119,633.97

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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.