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Finding the Fourth Proportional to 300,692.71, 451,091.18 and 101,032.57

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Solution

The fourth proportional to 300,692.71, 451,091.18 and 101,032.57 is: 151,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,692.71 : 451,091.18 = 101,032.57 : x
  2. Step 2: Convert to fraction form
    300,692.71/451,091.18 = 101,032.57/x
  3. Step 3: Cross multiply
    300,692.71x = 451,091.18 × 101,032.57
  4. Step 4: Simplify right side
    300,692.71x = 45,574,901,219.73
  5. Step 5: Solve for x
    x = 45,574,901,219.73/300,692.71
  6. Step 6: Final answer
    x = 151,566.37

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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.