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Finding the Fourth Proportional to 112,410.54, 168,625.53 and 45,855.27

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Solution

The fourth proportional to 112,410.54, 168,625.53 and 45,855.27 is: 68,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,410.54 : 168,625.53 = 45,855.27 : x
  2. Step 2: Convert to fraction form
    112,410.54/168,625.53 = 45,855.27/x
  3. Step 3: Cross multiply
    112,410.54x = 168,625.53 × 45,855.27
  4. Step 4: Simplify right side
    112,410.54x = 7,732,369,207.04
  5. Step 5: Solve for x
    x = 7,732,369,207.04/112,410.54
  6. Step 6: Final answer
    x = 68,786.87

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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.