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Finding the Fourth Proportional to 85,216.70, 127,824.50 and 26,052.14

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Solution

The fourth proportional to 85,216.70, 127,824.50 and 26,052.14 is: 39,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,216.70 : 127,824.50 = 26,052.14 : x
  2. Step 2: Convert to fraction form
    85,216.70/127,824.50 = 26,052.14/x
  3. Step 3: Cross multiply
    85,216.70x = 127,824.50 × 26,052.14
  4. Step 4: Simplify right side
    85,216.70x = 3,330,101,769.43
  5. Step 5: Solve for x
    x = 3,330,101,769.43/85,216.70
  6. Step 6: Final answer
    x = 39,078.04

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1.5x scale

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.