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Finding the Fourth Proportional to 94,692.56, 130,679.60 and 54,418.95

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Solution

The fourth proportional to 94,692.56, 130,679.60 and 54,418.95 is: 75,100.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,692.56 : 130,679.60 = 54,418.95 : x
  2. Step 2: Convert to fraction form
    94,692.56/130,679.60 = 54,418.95/x
  3. Step 3: Cross multiply
    94,692.56x = 130,679.60 × 54,418.95
  4. Step 4: Simplify right side
    94,692.56x = 7,111,446,346.33
  5. Step 5: Solve for x
    x = 7,111,446,346.33/94,692.56
  6. Step 6: Final answer
    x = 75,100.37

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1.5x scale

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.