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Finding the Fourth Proportional to 92,692.56, 127,847.79 and 60,849.84

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Solution

The fourth proportional to 92,692.56, 127,847.79 and 60,849.84 is: 83,928.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,692.56 : 127,847.79 = 60,849.84 : x
  2. Step 2: Convert to fraction form
    92,692.56/127,847.79 = 60,849.84/x
  3. Step 3: Cross multiply
    92,692.56x = 127,847.79 × 60,849.84
  4. Step 4: Simplify right side
    92,692.56x = 7,779,517,565.85
  5. Step 5: Solve for x
    x = 7,779,517,565.85/92,692.56
  6. Step 6: Final answer
    x = 83,928.18

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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.