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Finding the Fourth Proportional to 162,608.69, 243,660.17 and 112,786.13

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Solution

The fourth proportional to 162,608.69, 243,660.17 and 112,786.13 is: 169,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,608.69 : 243,660.17 = 112,786.13 : x
  2. Step 2: Convert to fraction form
    162,608.69/243,660.17 = 112,786.13/x
  3. Step 3: Cross multiply
    162,608.69x = 243,660.17 × 112,786.13
  4. Step 4: Simplify right side
    162,608.69x = 27,481,486,673.11
  5. Step 5: Solve for x
    x = 27,481,486,673.11/162,608.69
  6. Step 6: Final answer
    x = 169,003.81

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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.