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Finding the Fourth Proportional to 188,790.77, 283,185.80 and 55,764.44

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Solution

The fourth proportional to 188,790.77, 283,185.80 and 55,764.44 is: 83,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,790.77 : 283,185.80 = 55,764.44 : x
  2. Step 2: Convert to fraction form
    188,790.77/283,185.80 = 55,764.44/x
  3. Step 3: Cross multiply
    188,790.77x = 283,185.80 × 55,764.44
  4. Step 4: Simplify right side
    188,790.77x = 15,791,697,692.36
  5. Step 5: Solve for x
    x = 15,791,697,692.36/188,790.77
  6. Step 6: Final answer
    x = 83,646.56

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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.