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Finding the Fourth Proportional to 79,964.52, 119,906.28 and 46,692.96

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Solution

The fourth proportional to 79,964.52, 119,906.28 and 46,692.96 is: 70,015.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,964.52 : 119,906.28 = 46,692.96 : x
  2. Step 2: Convert to fraction form
    79,964.52/119,906.28 = 46,692.96/x
  3. Step 3: Cross multiply
    79,964.52x = 119,906.28 × 46,692.96
  4. Step 4: Simplify right side
    79,964.52x = 5,598,779,135.79
  5. Step 5: Solve for x
    x = 5,598,779,135.79/79,964.52
  6. Step 6: Final answer
    x = 70,015.79

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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.