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Finding the Fourth Proportional to 192,692.10, 289,041.80 and 52,450.73

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Solution

The fourth proportional to 192,692.10, 289,041.80 and 52,450.73 is: 78,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,692.10 : 289,041.80 = 52,450.73 : x
  2. Step 2: Convert to fraction form
    192,692.10/289,041.80 = 52,450.73/x
  3. Step 3: Cross multiply
    192,692.10x = 289,041.80 × 52,450.73
  4. Step 4: Simplify right side
    192,692.10x = 15,160,453,410.51
  5. Step 5: Solve for x
    x = 15,160,453,410.51/192,692.10
  6. Step 6: Final answer
    x = 78,677.09

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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.