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Finding the Fourth Proportional to 77,496.56, 116,107.20 and 32,418.56

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Solution

The fourth proportional to 77,496.56, 116,107.20 and 32,418.56 is: 48,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,496.56 : 116,107.20 = 32,418.56 : x
  2. Step 2: Convert to fraction form
    77,496.56/116,107.20 = 32,418.56/x
  3. Step 3: Cross multiply
    77,496.56x = 116,107.20 × 32,418.56
  4. Step 4: Simplify right side
    77,496.56x = 3,764,028,229.63
  5. Step 5: Solve for x
    x = 3,764,028,229.63/77,496.56
  6. Step 6: Final answer
    x = 48,570.26

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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.