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Finding the Fourth Proportional to 84,611.44, 116,748.95 and 48,296.30

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Solution

The fourth proportional to 84,611.44, 116,748.95 and 48,296.30 is: 66,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,611.44 : 116,748.95 = 48,296.30 : x
  2. Step 2: Convert to fraction form
    84,611.44/116,748.95 = 48,296.30/x
  3. Step 3: Cross multiply
    84,611.44x = 116,748.95 × 48,296.30
  4. Step 4: Simplify right side
    84,611.44x = 5,638,542,313.89
  5. Step 5: Solve for x
    x = 5,638,542,313.89/84,611.44
  6. Step 6: Final answer
    x = 66,640.42

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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.