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Finding the Fourth Proportional to 112,563.63, 154,524.39 and 96,620.40

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Solution

The fourth proportional to 112,563.63, 154,524.39 and 96,620.40 is: 132,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,563.63 : 154,524.39 = 96,620.40 : x
  2. Step 2: Convert to fraction form
    112,563.63/154,524.39 = 96,620.40/x
  3. Step 3: Cross multiply
    112,563.63x = 154,524.39 × 96,620.40
  4. Step 4: Simplify right side
    112,563.63x = 14,930,208,371.56
  5. Step 5: Solve for x
    x = 14,930,208,371.56/112,563.63
  6. Step 6: Final answer
    x = 132,637.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.