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Finding the Fourth Proportional to 96,422.60, 133,059.30 and 56,137.52

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Solution

The fourth proportional to 96,422.60, 133,059.30 and 56,137.52 is: 77,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,422.60 : 133,059.30 = 56,137.52 : x
  2. Step 2: Convert to fraction form
    96,422.60/133,059.30 = 56,137.52/x
  3. Step 3: Cross multiply
    96,422.60x = 133,059.30 × 56,137.52
  4. Step 4: Simplify right side
    96,422.60x = 7,469,619,114.94
  5. Step 5: Solve for x
    x = 7,469,619,114.94/96,422.60
  6. Step 6: Final answer
    x = 77,467.51

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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.